The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

Computer vulnerabilities of Juniper Junos Space Network Activate

computer vulnerability alert CVE-2016-2180

OpenSSL: out-of-bounds memory reading via TS_OBJ_print_bio

Synthesis of the vulnerability

An attacker can force a read at an invalid address via TS_OBJ_print_bio() of OpenSSL, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Blue Coat CAS, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Cisco ASR, Cisco Aironet, Cisco ATA, Cisco AnyConnect Secure Mobility Client, Cisco ACE, ASA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Prime LMS, Cisco Router, Secure ACS, Cisco CUCM, Cisco Manager Attendant Console, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco WSA, Cisco Wireless Controller, Debian, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiGate, FortiGate Virtual Appliance, FortiOS, FreeBSD, FreeRADIUS, hMailServer, HP Switch, AIX, Tivoli Storage Manager, Tivoli Workload Scheduler, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, McAfee Email Gateway, NetScreen Firewall, ScreenOS, Nodejs Core, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Solaris, Tuxedo, WebLogic, Oracle Web Tier, pfSense, Pulse Connect Secure, Pulse Secure Client, Pulse Secure SBR, RHEL, SAS Add-in for Microsoft Office, SAS Analytics Pro, Base SAS Software, SAS Enterprise BI Server, SAS Enterprise Guide, SAS Management Console, SAS OLAP Server, SAS SAS/ACCESS, SAS SAS/AF, SAS SAS/CONNECT, SAS SAS/EIS, SAS SAS/ETS, SAS SAS/FSP, SAS SAS/GRAPH, SAS SAS/IML, SAS SAS/OR, SAS SAS/STAT, SAS SAS/Web Report Studio, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Nessus, Ubuntu, WinSCP.
Severity: 1/4.
Consequences: data reading, denial of service on service, denial of service on client.
Provenance: document.
Creation date: 02/08/2016.
Identifiers: 1359615, 1996096, 2000095, 2003480, 2003620, 2003673, bulletinapr2017, bulletinjul2016, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpuoct2017, CVE-2016-2180, DLA-637-1, DSA-3673-1, DSA-3673-2, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FG-IR-16-047, FG-IR-16-048, FG-IR-17-127, FreeBSD-SA-16:26.openssl, HPESBHF03856, JSA10759, openSUSE-SU-2016:2391-1, openSUSE-SU-2016:2407-1, openSUSE-SU-2018:0458-1, RHSA-2016:1940-01, SA132, SA40312, SB10215, SOL02652550, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, SUSE-SU-2016:2387-1, SUSE-SU-2016:2394-1, SUSE-SU-2016:2469-1, TNS-2016-16, USN-3087-1, USN-3087-2, VIGILANCE-VUL-20286.

Description of the vulnerability

The OpenSSL product implements the RFC 3161 Public Key Infrastructure Time-Stamp Protocol.

However, the TS_OBJ_print_bio() function tries to read a memory area located outside the expected range, which triggers a fatal error, or leads to the disclosure of a memory fragment.

An attacker can therefore force a read at an invalid address via TS_OBJ_print_bio() of OpenSSL, in order to trigger a denial of service, or to obtain sensitive information.
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computer vulnerability note CVE-2016-6515

OpenSSH: denial of service via crypt

Synthesis of the vulnerability

An attacker can send a long password, which is hashed by crypt() via OpenSSH, in order to trigger a denial of service.
Impacted products: ProxySG par Blue Coat, SGOS by Blue Coat, Brocade vTM, Debian, BIG-IP Hardware, TMOS, Fedora, FreeBSD, AIX, IBM System x Server, Junos Space, McAfee Email Gateway, Data ONTAP, OpenSSH, openSUSE Leap, RHEL, Ubuntu.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: internet client.
Creation date: 01/08/2016.
Identifiers: BSA-2016-204, BSA-2016-207, BSA-2016-210, BSA-2016-211, BSA-2016-212, BSA-2016-213, BSA-2016-216, BSA-2017-247, CERTFR-2017-AVI-012, CVE-2016-6515, DLA-1500-1, DLA-1500-2, DLA-594-1, FEDORA-2016-4a3debc3a6, FreeBSD-SA-17:06.openssh, JSA10770, K31510510, MIGR-5099595, MIGR-5099597, NTAP-20171130-0003, openSUSE-SU-2016:2339-1, RHSA-2017:2029-01, SA136, SOL31510510, SSA-181018, USN-3061-1, VIGILANCE-VUL-20279.

Description of the vulnerability

The OpenSSH product uses the crypt() function to hash passwords provided by users.

However, if the sent password is too long, the crypt() function consumes numerous resources.

An attacker can therefore send a long password, which is hashed by crypt() via OpenSSH, in order to trigger a denial of service.
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computer vulnerability note CVE-2015-5220 CVE-2016-3737

Red Hat JBoss Operations Network: two vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of Red Hat JBoss Operations Network.
Impacted products: Junos Space.
Severity: 3/4.
Consequences: user access/rights, denial of service on service.
Provenance: intranet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 28/07/2016.
Identifiers: CVE-2015-5220, CVE-2016-3737, JSA10838, RHSA-2016:1519-01, VIGILANCE-VUL-20239.

Description of the vulnerability

Several vulnerabilities were announced in Red Hat JBoss Operations Network.

An attacker can trigger a fatal error in Web Console, in order to trigger a denial of service. [severity:2/4; CVE-2015-5220]

An attacker can send serialized data via JON, in order to run code. [severity:3/4; CVE-2016-3737]
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vulnerability bulletin CVE-2016-1000104 CVE-2016-1000105 CVE-2016-1000107

Web servers: creating client queries via the Proxy header

Synthesis of the vulnerability

An attacker can send a query with a malicious Proxy header to a web service hosting a CGI script creating web client queries, so they go through attacker's proxy.
Impacted products: Apache httpd, Tomcat, Mac OS X, Debian, Drupal Core, eZ Publish, Fedora, HP-UX, QRadar SIEM, Junos Space, NSM Central Manager, NSMXpress, lighttpd, IIS, nginx, openSUSE, openSUSE Leap, Oracle Communications, Solaris, Perl Module ~ not comprehensive, PHP, Python, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, TrendMicro ServerProtect, TYPO3 Core, Ubuntu, Varnish.
Severity: 3/4.
Consequences: data reading, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 12.
Creation date: 18/07/2016.
Identifiers: 1117414, 1994719, 1994725, 1999671, APPLE-SA-2017-09-25-1, bulletinjul2017, bulletinoct2016, c05324759, CERTFR-2016-AVI-240, CERTFR-2017-AVI-012, CERTFR-2017-AVI-022, cpujan2018, CVE-2016-1000104, CVE-2016-1000105, CVE-2016-1000107, CVE-2016-1000108, CVE-2016-1000109, CVE-2016-1000110, CVE-2016-1000111, CVE-2016-1000212, CVE-2016-5385, CVE-2016-5386, CVE-2016-5387, CVE-2016-5388, DLA-553-1, DLA-568-1, DLA-583-1, DLA-749-1, DRUPAL-SA-CORE-2016-003, DSA-3623-1, DSA-3631-1, DSA-3642-1, EZSA-2016-001, FEDORA-2016-07e9059072, FEDORA-2016-2c324d0670, FEDORA-2016-340e361b90, FEDORA-2016-4094bd4ad6, FEDORA-2016-4e7db3d437, FEDORA-2016-604616dc33, FEDORA-2016-683d0b257b, FEDORA-2016-970edb82d4, FEDORA-2016-9c8cf5912c, FEDORA-2016-9de7253cc7, FEDORA-2016-9fd814a7f2, FEDORA-2016-9fd9bfab9e, FEDORA-2016-a29c65b00f, FEDORA-2016-aef8a45afe, FEDORA-2016-c1b01b9278, FEDORA-2016-df0726ae26, FEDORA-2016-e2c8f5f95a, FEDORA-2016-ea5e284d34, HPSBUX03665, HT207615, HT208144, HT208221, httpoxy, JSA10770, JSA10774, openSUSE-SU-2016:1824-1, openSUSE-SU-2016:2054-1, openSUSE-SU-2016:2055-1, openSUSE-SU-2016:2115-1, openSUSE-SU-2016:2120-1, openSUSE-SU-2016:2252-1, openSUSE-SU-2016:2536-1, openSUSE-SU-2016:3092-1, openSUSE-SU-2016:3157-1, openSUSE-SU-2017:0223-1, RHSA-2016:1420-01, RHSA-2016:1421-01, RHSA-2016:1422-01, RHSA-2016:1538-01, RHSA-2016:1609-01, RHSA-2016:1610-01, RHSA-2016:1611-01, RHSA-2016:1612-01, RHSA-2016:1613-01, RHSA-2016:1624-01, RHSA-2016:1626-01, RHSA-2016:1627-01, RHSA-2016:1628-01, RHSA-2016:1629-01, RHSA-2016:1630-01, RHSA-2016:1635-01, RHSA-2016:1636-01, RHSA-2016:1648-01, RHSA-2016:1649-01, RHSA-2016:1650-01, RHSA-2016:1978-01, RHSA-2016:2045-01, RHSA-2016:2046-01, SSA:2016-203-02, SSA:2016-358-01, SSA:2016-363-01, SUSE-SU-2017:1632-1, SUSE-SU-2017:1660-1, SUSE-SU-2019:0223-1, USN-3038-1, USN-3045-1, USN-3134-1, USN-3177-1, USN-3177-2, USN-3585-1, VIGILANCE-VUL-20143, VU#797896.

Description of the vulnerability

Most web servers support CGI scripts (PHP, Python, etc.).

According to the RFC 3875, when a web server receives a Proxy header, it has to create the HTTP_PROXY environment variable for CGI scripts.

However, this variable is also used to store the name of the proxy that web clients has to use. The PHP (via Guzzle, Artax, etc.) and Python scripts will thus use the proxy indicated in the web query for all client queries they will send during the CGI session.

An attacker can therefore send a query with a malicious Proxy header to a web service hosting a CGI script creating web client queries, so they go through attacker's proxy.
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computer vulnerability alert CVE-2016-2141

JGroups: unauthorized joining of a group

Synthesis of the vulnerability

An attacker can join a protected communication group managed with JGroups, in order to listen to sensitive communications.
Impacted products: JGroups, Junos Space, JBoss EAP by Red Hat.
Severity: 4/4.
Consequences: data reading, data creation/edition, data flow.
Provenance: intranet client.
Creation date: 24/06/2016.
Identifiers: CVE-2016-2141, JSA10838, RHSA-2016:1328-01, RHSA-2016:1329-01, RHSA-2016:1330-01, RHSA-2016:1331-01, RHSA-2016:1332-01, RHSA-2016:1333-01, RHSA-2016:1334-01, RHSA-2016:1345-01, RHSA-2016:1346-01, RHSA-2016:1347-01, RHSA-2016:1374-01, RHSA-2016:1389-01, RHSA-2016:1432-01, RHSA-2016:1433-01, RHSA-2016:1434-01, RHSA-2016:1435-01, RHSA-2016:2035-01, VIGILANCE-VUL-19966.

Description of the vulnerability

The JGroups product manages communication groups which may be cryptographically protected.

However, authentication checks are incomplete and key management is wrong. An unauthorized attacker can get the encryption keys and join the group both for sending and receiving.

An attacker can therefore join a protected communication group managed with JGroups, in order to listen to sensitive communications.
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computer vulnerability CVE-2016-2177

OpenSSL: out-of-bounds memory reading

Synthesis of the vulnerability

An attacker can force a memory access at an invalid address in OpenSSL, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Blue Coat CAS, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Cisco ASR, Cisco Aironet, Cisco ATA, Cisco AnyConnect Secure Mobility Client, Cisco ACE, ASA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Prime LMS, Cisco Router, Secure ACS, Cisco CUCM, Cisco Manager Attendant Console, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco WSA, Cisco Wireless Controller, Debian, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiGate, FortiGate Virtual Appliance, FortiOS, FreeBSD, FreeRADIUS, hMailServer, HP Switch, AIX, DB2 UDB, QRadar SIEM, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, McAfee Email Gateway, ePO, NetScreen Firewall, ScreenOS, Nodejs Core, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Solaris, Tuxedo, WebLogic, Oracle Web Tier, pfSense, Pulse Connect Secure, Pulse Secure Client, Pulse Secure SBR, RHEL, JBoss EAP by Red Hat, SAS Add-in for Microsoft Office, SAS Analytics Pro, Base SAS Software, SAS Enterprise BI Server, SAS Enterprise Guide, SAS Management Console, SAS OLAP Server, SAS SAS/ACCESS, SAS SAS/AF, SAS SAS/CONNECT, SAS SAS/EIS, SAS SAS/ETS, SAS SAS/FSP, SAS SAS/GRAPH, SAS SAS/IML, SAS SAS/OR, SAS SAS/STAT, SAS SAS/Web Report Studio, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Nessus, Ubuntu, WinSCP.
Severity: 1/4.
Consequences: data reading, denial of service on server, denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 09/06/2016.
Identifiers: 1991866, 1991867, 1991870, 1991871, 1991875, 1991876, 1991878, 1991880, 1991882, 1991884, 1991885, 1991886, 1991887, 1991889, 1991892, 1991894, 1991896, 1991902, 1991903, 1991951, 1991955, 1991959, 1991960, 1991961, 1996096, 1999395, 1999421, 1999474, 1999478, 1999479, 1999488, 1999532, 1999724, 2000095, 2000209, 2000544, 2001805, 2002770, 2002870, 2003480, 2003620, 2003673, 2008828, bulletinapr2016, bulletinapr2017, bulletinjul2016, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpuoct2017, CVE-2016-2177, DLA-637-1, DSA-3673-1, DSA-3673-2, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FG-IR-16-047, FG-IR-16-048, FG-IR-17-127, FreeBSD-SA-16:26.openssl, HPESBHF03763, HPESBHF03856, JSA10759, openSUSE-SU-2016:2391-1, openSUSE-SU-2016:2407-1, openSUSE-SU-2016:2537-1, openSUSE-SU-2018:0458-1, RHSA-2016:1940-01, RHSA-2017:1548-01, RHSA-2017:1549-01, RHSA-2017:1550-01, RHSA-2017:1551-01, RHSA-2017:1552-01, RHSA-2017:1658-01, RHSA-2017:1659-01, SA132, SA40312, SB10165, SB10215, SOL23873366, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, SUSE-SU-2016:2387-1, SUSE-SU-2016:2394-1, SUSE-SU-2016:2458-1, SUSE-SU-2016:2468-1, SUSE-SU-2016:2469-1, TNS-2016-16, USN-3087-1, USN-3087-2, USN-3181-1, VIGILANCE-VUL-19855.

Description of the vulnerability

The source code of OpenSSL includes many loops where a pointer is used to go through a buffer.

The definition of the C language allows a pointer to be off by one byte after the buffer, but the behavior of any further access is undefined. Several end of loop tests follows the forme "pointer + current data length > end pointer" in such a way that these 2 expressions are not always defined according to the language specification. An attacker which can control dynamic memory allocations can trigger evaluation of undefined conditions and perhaps invalid memory access.

An attacker can therefore force a memory access at an invalid address in OpenSSL, in order to trigger a denial of service, or to obtain sensitive information.
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vulnerability CVE-2016-2178

OpenSSL: DSA signature not running in constant time

Synthesis of the vulnerability

An attacker can monitor a process performing a DSA signature with OpenSSL, in order to potentially obtain information about the secret key.
Impacted products: Blue Coat CAS, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Cisco ASR, Cisco Aironet, Cisco ATA, Cisco AnyConnect Secure Mobility Client, Cisco ACE, ASA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Prime LMS, Cisco Router, Secure ACS, Cisco CUCM, Cisco Manager Attendant Console, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco WSA, Cisco Wireless Controller, Debian, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiGate, FortiGate Virtual Appliance, FortiOS, FreeBSD, FreeRADIUS, hMailServer, HP Switch, AIX, IRAD, QRadar SIEM, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, McAfee Email Gateway, NetScreen Firewall, ScreenOS, Nodejs Core, OpenBSD, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Solaris, Tuxedo, WebLogic, Oracle Web Tier, pfSense, Pulse Connect Secure, Pulse Secure Client, Pulse Secure SBR, RHEL, JBoss EAP by Red Hat, SAS Add-in for Microsoft Office, SAS Analytics Pro, Base SAS Software, SAS Enterprise BI Server, SAS Enterprise Guide, SAS Management Console, SAS OLAP Server, SAS SAS/ACCESS, SAS SAS/AF, SAS SAS/CONNECT, SAS SAS/EIS, SAS SAS/ETS, SAS SAS/FSP, SAS SAS/GRAPH, SAS SAS/IML, SAS SAS/OR, SAS SAS/STAT, SAS SAS/Web Report Studio, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Nessus, Ubuntu, WinSCP.
Severity: 2/4.
Consequences: data reading.
Provenance: document.
Creation date: 07/06/2016.
Revision date: 08/06/2016.
Identifiers: 1991866, 1991867, 1991870, 1991871, 1991875, 1991876, 1991878, 1991880, 1991882, 1991884, 1991885, 1991886, 1991887, 1991889, 1991892, 1991894, 1991896, 1991902, 1991903, 1991951, 1991955, 1991959, 1991960, 1991961, 1992681, 1993777, 1996096, 1999395, 1999474, 1999478, 1999479, 1999488, 1999532, 1999724, 2000095, 2000544, 2003480, 2003620, 2003673, bulletinapr2016, bulletinapr2017, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpuoct2017, CVE-2016-2178, DLA-637-1, DSA-3673-1, DSA-3673-2, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FG-IR-16-047, FG-IR-16-048, FG-IR-17-127, FreeBSD-SA-16:26.openssl, HPESBHF03856, JSA10759, openSUSE-SU-2016:2391-1, openSUSE-SU-2016:2407-1, openSUSE-SU-2016:2496-1, openSUSE-SU-2016:2537-1, openSUSE-SU-2018:0458-1, RHSA-2016:1940-01, RHSA-2017:1548-01, RHSA-2017:1549-01, RHSA-2017:1550-01, RHSA-2017:1551-01, RHSA-2017:1552-01, RHSA-2017:1658-01, RHSA-2017:1659-01, SA132, SA40312, SB10215, SOL53084033, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, SUSE-SU-2016:2387-1, SUSE-SU-2016:2394-1, SUSE-SU-2016:2458-1, SUSE-SU-2016:2468-1, SUSE-SU-2016:2469-1, SUSE-SU-2016:2470-1, SUSE-SU-2016:2470-2, TNS-2016-16, USN-3087-1, USN-3087-2, VIGILANCE-VUL-19820.

Description of the vulnerability

OpenSSL includes an implementation of the DSA algorithm.

The BN_FLG_CONSTTIME flag requires this operation to be performed in constant time, in order to block attacks watching the process. However, the dsa_sign_setup() function of the lib/libssl/src/crypto/dsa/dsa_ossl.c file does not correctly initialize the BN_FLG_CONSTTIME flag.

An attacker can therefore monitor a process performing a DSA signature with OpenSSL, in order to potentially obtain information about the secret key.
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computer vulnerability announce CVE-2016-1834 CVE-2016-1835 CVE-2016-1836

libxml2: multiple vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of libxml2.
Impacted products: iOS by Apple, iPhone, Mac OS X, Blue Coat CAS, ProxyAV, ProxyRA, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, BIG-IP Hardware, TMOS, Fedora, Junos Space, NSM Central Manager, NSMXpress, McAfee Web Gateway, openSUSE, openSUSE Leap, RHEL, SLES, Nessus, Ubuntu.
Severity: 3/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: document.
Number of vulnerabilities in this bulletin: 5.
Creation date: 03/06/2016.
Identifiers: CERTFR-2017-AVI-012, CERTFR-2017-AVI-022, CVE-2016-1834, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1840, DLA-503-1, DSA-3593-1, FEDORA-2017-a3a47973eb, FEDORA-2017-be8574d593, HT206567, HT206568, HT206902, HT206903, JSA10770, JSA10774, K14614344, K16712298, K48220300, openSUSE-SU-2016:1594-1, openSUSE-SU-2016:1595-1, RHSA-2016:1292-01, SA129, SB10170, SUSE-SU-2016:1538-1, SUSE-SU-2016:1604-1, TNS-2017-03, USN-2994-1, VIGILANCE-VUL-19787.

Description of the vulnerability

Several vulnerabilities were announced in libxml2.

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-1834]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-1835]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-1836]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-1837]

An attacker can generate a memory corruption, in order to trigger a denial of service, and possibly to run code. [severity:3/4; CVE-2016-1840]
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computer vulnerability alert CVE-2016-1762

libxml2: memory corruption

Synthesis of the vulnerability

An attacker can generate a memory corruption of libxml2, in order to trigger a denial of service, and possibly to run code.
Impacted products: iOS by Apple, iPhone, Mac OS X, Blue Coat CAS, ProxyAV, ProxyRA, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, BIG-IP Hardware, TMOS, Fedora, Junos Space, McAfee Web Gateway, openSUSE, openSUSE Leap, RHEL, SLES, Ubuntu.
Severity: 2/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: document.
Creation date: 03/06/2016.
Identifiers: CERTFR-2017-AVI-012, CVE-2016-1762, DLA-503-1, DSA-3593-1, FEDORA-2017-a3a47973eb, FEDORA-2017-be8574d593, HT206567, HT206568, JSA10770, K14338030, openSUSE-SU-2016:1594-1, openSUSE-SU-2016:1595-1, RHSA-2016:1292-01, SA129, SB10170, SUSE-SU-2016:1538-1, SUSE-SU-2016:1604-1, USN-2994-1, VIGILANCE-VUL-19786.

Description of the vulnerability

An attacker can generate a memory corruption of libxml2, in order to trigger a denial of service, and possibly to run code.
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vulnerability note CVE-2016-4447 CVE-2016-4448 CVE-2016-4449

libxml2: three vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of libxml2.
Impacted products: iOS by Apple, iPhone, Mac OS X, Blue Coat CAS, ProxyAV, ProxyRA, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, BIG-IP Hardware, TMOS, Fedora, Junos OS, Junos Space, libxml, McAfee Web Gateway, openSUSE Leap, Oracle Communications, RHEL, Slackware, Splunk Enterprise, SLES, Nessus, Ubuntu.
Severity: 2/4.
Consequences: user access/rights, data reading, denial of service on service, denial of service on client.
Provenance: document.
Number of vulnerabilities in this bulletin: 3.
Creation date: 25/05/2016.
Identifiers: 1989337, 1991909, 1991910, 1991911, 1991913, 1991997, CERTFR-2017-AVI-012, cpujan2018, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449, DLA-503-1, DSA-3593-1, FEDORA-2017-a3a47973eb, FEDORA-2017-be8574d593, HT206902, HT206903, JSA10770, JSA10916, K24322529, K41103561, openSUSE-SU-2016:1595-1, RHSA-2016:1292-01, SA129, SB10170, SOL41103561, SPL-119440, SPL-121159, SPL-123095, SSA:2016-148-01, SUSE-SU-2016:1538-1, SUSE-SU-2016:1604-1, TNS-2017-03, USN-2994-1, USN-3235-1, VIGILANCE-VUL-19694.

Description of the vulnerability

Several vulnerabilities were announced in libxml2.

An attacker can force a read at an invalid address via xmlParseName, in order to trigger a denial of service, or to obtain sensitive information. [severity:1/4; CVE-2016-4447]

An attacker can use a format string attack, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4448]

An attacker can generate a memory corruption via Entities Content, in order to trigger a denial of service, and possibly to run code. [severity:2/4; CVE-2016-4449]
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