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 VNX Series

vulnerability bulletin CVE-2016-7053 CVE-2016-7054 CVE-2016-7055

OpenSSL 1.1: three vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL 1.1.
Impacted products: Cisco ASR, Cisco Aironet, Cisco ATA, Cisco AnyConnect Secure Mobility Client, ASA, AsyncOS, Cisco ESA, IOS by Cisco, IOS XR Cisco, Nexus by Cisco, NX-OS, Cisco Prime LMS, Cisco Router, Secure ACS, Cisco CUCM, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco Wireless Controller, NetWorker, VNX Operating Environment, VNX Series, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiOS, IRAD, Tivoli Storage Manager, Junos OS, Juniper Network Connect, NSM Central Manager, NSMXpress, SRX-Series, MySQL Community, MySQL Enterprise, Data ONTAP 7-Mode, OpenSSL, openSUSE Leap, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle Identity Management, Oracle iPlanet Web Server, Oracle OIT, Solaris, Tuxedo, WebLogic, Oracle Web Tier, Percona Server, pfSense, Pulse Connect Secure, Pulse Secure Client.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 3.
Creation date: 10/11/2016.
Revision date: 13/12/2016.
Identifiers: 2004036, 2004940, 2011567, 492284, 492616, bulletinapr2017, CERTFR-2018-AVI-343, cisco-sa-20161114-openssl, cpuapr2019, cpujan2018, cpujul2017, CVE-2016-7053, CVE-2016-7054, CVE-2016-7055, ESA-2016-148, ESA-2016-149, FG-IR-17-019, JSA10775, NTAP-20170127-0001, NTAP-20170310-0002, NTAP-20180201-0001, openSUSE-SU-2017:0527-1, openSUSE-SU-2017:0941-1, openSUSE-SU-2018:0458-1, SA40423, VIGILANCE-VUL-21093.

Description of the vulnerability

Several vulnerabilities were announced in OpenSSL 1.1.

An attacker can generate a buffer overflow via ChaCha20/Poly1305, in order to trigger a denial of service. [severity:2/4; CVE-2016-7054]

An attacker can force a NULL pointer to be dereferenced via CMS Structures, in order to trigger a denial of service. [severity:2/4; CVE-2016-7053]

An error occurs in the Broadwell-specific Montgomery Multiplication Procedure, but with no apparent impact. [severity:1/4; CVE-2016-7055]
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vulnerability alert CVE-2016-0917

EMC VNX, Celerra: NTLM authentication bypass

Synthesis of the vulnerability

An attacker can reuse secrets while running an NTLM authentication with EMC VNX and Celerra, in order to spoof a user identity.
Impacted products: EMC CAVA, EMC CEE, EMC CEPA, Celerra FAST, Celerra NS, Celerra NX4, VNX Operating Environment, VNX Series.
Severity: 3/4.
Consequences: client access/rights, data reading, data creation/edition, data deletion.
Provenance: intranet client.
Creation date: 20/09/2016.
Identifiers: CVE-2016-0917, ESA-2016-096, VIGILANCE-VUL-20651.

Description of the vulnerability

The products EMC VNX and Celerra include a CIFS access.

Accessing a host via CIFS normally requires a NTLM based authentication. However, one can make VNX and Celerra use a nonce several times in the cryptographic protocol. See also VIGILANCE-VUL-9436.

An attacker can therefore reuse secrets while running an NTLM authentication with EMC VNX and Celerra, in order to spoof a user identity.
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vulnerability bulletin CVE-2016-2183 CVE-2016-6329

Blowfish, Triple-DES: algorithms too weak, SWEET32

Synthesis of the vulnerability

An attacker can create a TLS/VPN session with a Blowfish/Triple-DES algorithm, and perform a two days attack, in order to decrypt data.
Impacted products: Avaya Ethernet Routing Switch, Blue Coat CAS, 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, Avamar, VNX Operating Environment, VNX Series, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiGate, FortiGate Virtual Appliance, FortiOS, FreeRADIUS, hMailServer, HPE BSM, LoadRunner, HP Operations, Performance Center, Real User Monitoring, SiteScope, HP Switch, HP-UX, AIX, DB2 UDB, Informix Server, IRAD, Security Directory Server, Tivoli Directory Server, Tivoli Storage Manager, Tivoli System Automation, WebSphere MQ, Junos Space, McAfee Email Gateway, ePO, Data ONTAP 7-Mode, Snap Creator Framework, Nodejs Core, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Oracle DB, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Oracle OIT, Solaris, Tuxedo, Oracle Virtual Directory, WebLogic, Oracle Web Tier, SSL protocol, 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, SIMATIC, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Nessus, Ubuntu, WinSCP.
Severity: 1/4.
Consequences: data reading.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 25/08/2016.
Identifiers: 1610582, 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, 1994375, 1995099, 1995922, 1998797, 1999054, 1999421, 2000209, 2000212, 2000370, 2000544, 2001608, 2002021, 2002335, 2002336, 2002479, 2002537, 2002870, 2002897, 2002991, 2003145, 2003480, 2003620, 2003673, 2004036, 2008828, 523628, 9010102, bulletinapr2017, c05349499, c05369403, c05369415, c05390849, CERTFR-2017-AVI-012, CERTFR-2019-AVI-049, CERTFR-2019-AVI-311, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpujul2017, cpujul2019, cpuoct2017, CVE-2016-2183, CVE-2016-6329, DSA-2018-124, DSA-2019-131, DSA-3673-1, DSA-3673-2, FEDORA-2016-7810e24465, FEDORA-2016-dc2cb4ad6b, FG-IR-16-047, FG-IR-16-048, FG-IR-17-127, FG-IR-17-173, HPESBGN03697, HPESBGN03765, HPESBUX03725, HPSBGN03690, HPSBGN03694, HPSBHF03674, ibm10718843, java_jan2017_advisory, JSA10770, KM03060544, NTAP-20160915-0001, openSUSE-SU-2016:2199-1, openSUSE-SU-2016:2391-1, openSUSE-SU-2016:2407-1, openSUSE-SU-2016:2496-1, openSUSE-SU-2016:2537-1, openSUSE-SU-2017:1638-1, openSUSE-SU-2018:0458-1, RHSA-2017:0336-01, RHSA-2017:0337-01, RHSA-2017:0338-01, RHSA-2017:3113-01, RHSA-2017:3114-01, RHSA-2017:3239-01, RHSA-2017:3240-01, RHSA-2018:2123-01, SA133, SA40312, SB10171, SB10186, SB10197, SB10215, SOL13167034, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, SSA:2016-363-01, SSA-556833, 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, SUSE-SU-2017:1444-1, SUSE-SU-2017:2838-1, SUSE-SU-2017:3177-1, SWEET32, TNS-2016-16, USN-3087-1, USN-3087-2, USN-3270-1, USN-3339-1, USN-3339-2, USN-3372-1, VIGILANCE-VUL-20473.

Description of the vulnerability

The Blowfish and Triple-DES symetric encryption algorithms use 64 bit blocks.

However, if they are used in CBC mode, a collision occurs after 785 GB transferred, and it is then possible to decrypt blocks with an attack lasting two days.

An attacker can therefore create a TLS/VPN session with a Blowfish/Triple-DES algorithm, and perform a two days attack, in order to decrypt data.
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computer vulnerability note CVE-2016-5423 CVE-2016-5424

PostgreSQL: two vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of PostgreSQL.
Impacted products: Debian, VNX Operating Environment, VNX Series, Fedora, openSUSE, openSUSE Leap, PostgreSQL, Puppet, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: privileged access/rights, denial of service on service.
Provenance: user account.
Number of vulnerabilities in this bulletin: 2.
Creation date: 11/08/2016.
Identifiers: CERTFR-2016-AVI-281, CVE-2016-5423, CVE-2016-5424, DLA-592-1, DSA-2019-131, DSA-3646-1, FEDORA-2016-30b01bdedd, FEDORA-2016-5486a6dfc0, openSUSE-SU-2016:2425-1, openSUSE-SU-2016:2464-1, openSUSE-SU-2017:1021-1, RHSA-2016:1781-01, RHSA-2016:1820-01, RHSA-2016:1821-01, RHSA-2016:2606-02, SUSE-SU-2016:2414-1, SUSE-SU-2016:2415-1, SUSE-SU-2016:2418-1, USN-3066-1, VIGILANCE-VUL-20369.

Description of the vulnerability

Several vulnerabilities were announced in PostgreSQL.

An attacker can trigger a fatal error via Nested CASE, in order to trigger a denial of service. [severity:1/4; CVE-2016-5423]

An attacker can use a database or role name with injected commands, which are run by administrative operations such as pg_dumpall, in order to run privileged code. [severity:2/4; CVE-2016-5424]
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computer vulnerability note CVE-2016-3458 CVE-2016-3485 CVE-2016-3498

Oracle Java: vulnerabilities of July 2016

Synthesis of the vulnerability

An attacker can use several vulnerabilities of Oracle Java.
Impacted products: Debian, VNX Operating Environment, VNX Series, BIG-IP Hardware, TMOS, Fedora, AIX, Domino, Notes, IRAD, SPSS Statistics, Tivoli Storage Manager, Tivoli System Automation, WebSphere AS Traditional, IBM WebSphere ESB, WebSphere MQ, JAXP, ePO, Java OpenJDK, openSUSE, openSUSE Leap, Java Oracle, JavaFX, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 3/4.
Consequences: privileged access/rights, user access/rights, data reading, data creation/edition, data deletion, denial of service on service, denial of service on client.
Provenance: user account.
Number of vulnerabilities in this bulletin: 13.
Creation date: 20/07/2016.
Identifiers: 1988339, 1988894, 1988978, 1989049, 1989337, 1990031, 1990448, 1991383, 1991909, 1991910, 1991911, 1991913, 1991997, 1995792, 1995799, 2001630, 2007242, 486953, CERTFR-2016-AVI-243, cpujul2016, CVE-2016-3458, CVE-2016-3485, CVE-2016-3498, CVE-2016-3500, CVE-2016-3503, CVE-2016-3508, CVE-2016-3511, CVE-2016-3550, CVE-2016-3552, CVE-2016-3587, CVE-2016-3598, CVE-2016-3606, CVE-2016-3610, DLA-579-1, DSA-3641-1, ESA-2016-099, FEDORA-2016-588e386aaa, FEDORA-2016-c07d18b2a5, FEDORA-2016-c60d35c46c, openSUSE-SU-2016:2050-1, openSUSE-SU-2016:2051-1, openSUSE-SU-2016:2052-1, openSUSE-SU-2016:2058-1, RHSA-2016:1458-01, RHSA-2016:1475-01, RHSA-2016:1476-01, RHSA-2016:1477-01, RHSA-2016:1504-01, RHSA-2016:1587-01, RHSA-2016:1588-01, RHSA-2016:1589-01, RHSA-2016:1776-01, SB10166, SOL05016441, SOL25075696, SUSE-SU-2016:1997-1, SUSE-SU-2016:2012-1, SUSE-SU-2016:2261-1, SUSE-SU-2016:2286-1, SUSE-SU-2016:2347-1, SUSE-SU-2016:2348-1, SUSE-SU-2016:2726-1, USN-3043-1, USN-3062-1, USN-3077-1, VIGILANCE-VUL-20169, ZDI-16-445, ZDI-16-446, ZDI-16-447, ZDI-16-448.

Description of the vulnerability

Several vulnerabilities were announced in Oracle Communications.

An attacker can use a vulnerability via Hotspot, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3587, ZDI-16-448]

An attacker can use a vulnerability via Hotspot, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3606, ZDI-16-447]

An attacker can use a vulnerability via Libraries, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3598, ZDI-16-446]

An attacker can use a vulnerability via Libraries, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3610, ZDI-16-445]

An attacker can use a vulnerability via Install, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3552]

An attacker can use a vulnerability via Deployment, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3511]

An attacker can use a vulnerability via Install, in order to obtain information, to alter information, or to trigger a denial of service. [severity:3/4; CVE-2016-3503]

An attacker can use a vulnerability via JavaFX, in order to trigger a denial of service. [severity:2/4; CVE-2016-3498]

An attacker can use a vulnerability via JAXP, in order to trigger a denial of service. [severity:2/4; CVE-2016-3500]

An attacker can use a vulnerability via JAXP, in order to trigger a denial of service. [severity:2/4; CVE-2016-3508]

An attacker can use a vulnerability via CORBA, in order to alter information. [severity:2/4; CVE-2016-3458]

An attacker can use a vulnerability via Hotspot, in order to alter information, or to trigger a denial of service. [severity:2/4; CVE-2016-3550]

An attacker can use a vulnerability via Networking, in order to alter information. [severity:1/4; CVE-2016-3485]
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vulnerability note CVE-2016-2775

ISC BIND: infinite loop via lwresd

Synthesis of the vulnerability

An attacker can generate an infinite loop via lwresd of ISC BIND, in order to trigger a denial of service.
Impacted products: Debian, VNX Operating Environment, VNX Series, Fedora, HP-UX, AIX, BIND, openSUSE Leap, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, VxWorks.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: internet client.
Creation date: 19/07/2016.
Identifiers: AA-01393, bulletinjul2016, c05321107, CVE-2016-2775, DLA-645-1, DSA-2019-131, FEDORA-2016-007efacd1c, FEDORA-2016-2941b3264e, FEDORA-2016-3fba74e7f5, FEDORA-2016-53f0c65f40, openSUSE-SU-2017:1063-1, RHSA-2017:2533-01, SSA:2016-204-01, SUSE-SU-2017:0998-1, SUSE-SU-2017:0999-1, SUSE-SU-2017:1027-1, VIGILANCE-VUL-20144.

Description of the vulnerability

The ISC BIND product implements the "lightweight resolver protocol" in the lwresd daemon, or in named when named.conf contains the "lwres" section.

However, if getrrsetbyname() is called to resolve a long relative name (combined with a search list entry), an infinite recursion occurs in lwresd/lwres.

An attacker can therefore generate an infinite loop via lwresd of ISC BIND, in order to trigger a denial of service.
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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, VNX Operating Environment, VNX Series, 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-1883-1, DLA-553-1, DLA-568-1, DLA-583-1, DLA-749-1, DRUPAL-SA-CORE-2016-003, DSA-2019-131, 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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vulnerability bulletin CVE-2016-6170

ISC BIND: denial of service via a zone update

Synthesis of the vulnerability

An attacker who control an primary DNS server or an authorized client can send a too large zone content to ISC BIND, in order to trigger a denial of service.
Impacted products: VNX Operating Environment, VNX Series, BIG-IP Hardware, TMOS, Fedora, BIND, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: denial of service on service.
Provenance: internet server.
Creation date: 06/07/2016.
Revision date: 08/07/2016.
Identifiers: CVE-2016-6170, DSA-2019-131, FEDORA-2016-8e39076950, FEDORA-2016-9417b4c1dc, openSUSE-SU-2017:1063-1, SOL32049025, SUSE-SU-2017:0998-1, SUSE-SU-2017:0999-1, SUSE-SU-2017:1027-1, VIGILANCE-VUL-20033.

Description of the vulnerability

The ISC BIND product is a DNS server. It may run as a slave, as a secondary server. It may also accept updates from clients, typically configured with DHCP.

In this mode, it fetches the content of its zones from the primary server with a dedicated DNS command XFER. However, Bind does not define any limit for a zone. When the primary server send a too large zone content, a fault occur and the server dies. A client which is authorized to send updates can also trigger this fault.

One should note that using a server as a primary one implies trusting it. (Sending an empty zone is a more efficient way to deny service to end client.)

An attacker who control an primary DNS server or an authorized client can therefore send a too large zone content to ISC BIND, in order to trigger a denial of service.
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computer vulnerability CVE-2016-5699

Python: header tampering via urllib2, urllib

Synthesis of the vulnerability

An attacker can change the HTTP request created by urllib.
Impacted products: Debian, VNX Operating Environment, VNX Series, Fedora, openSUSE, openSUSE Leap, Solaris, Python, RHEL, Splunk Enterprise, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: user access/rights, data reading.
Provenance: document.
Creation date: 17/06/2016.
Identifiers: bulletinjul2016, CVE-2016-5699, DLA-1663-1, DLA-522-1, DSA-2019-131, FEDORA-2016-34ca5273e9, FEDORA-2016-6c2b74bb96, FEDORA-2016-b046b56518, FEDORA-2016-ef784cf9f7, openSUSE-SU-2016:1885-1, openSUSE-SU-2016:2120-1, RHSA-2016:1626-01, RHSA-2016:1627-01, RHSA-2016:1628-01, RHSA-2016:1629-01, RHSA-2016:1630-01, SP-CAAAPSR, SPL-128812, SUSE-SU-2019:0223-1, USN-3134-1, VIGILANCE-VUL-19925.

Description of the vulnerability

The urllib module of the Python library is an HTTP client.

However, the urllib module accepts HTTP headers at the end of the URL. The headers will be inserted before the ones added by urllib.

An attacker can therefore change the HTTP request created by urllib.
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computer vulnerability CVE-2016-0772

Python: TLS disabling in smtplib

Synthesis of the vulnerability

An attacker can make the creation of a TLS tunnel by the smtplib module of Python, in order to read sent mails.
Impacted products: Debian, VNX Operating Environment, VNX Series, Fedora, openSUSE, openSUSE Leap, Solaris, Python, RHEL, Splunk Enterprise, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 1/4.
Consequences: data reading, data flow.
Provenance: LAN.
Creation date: 16/06/2016.
Identifiers: bulletinjul2016, CVE-2016-0772, DLA-1663-1, DLA-522-1, DLA-871-1, DSA-2019-131, FEDORA-2016-105b80d1be, FEDORA-2016-13be2ee499, FEDORA-2016-2869023091, FEDORA-2016-34ca5273e9, FEDORA-2016-5c52dcfe47, FEDORA-2016-6c2b74bb96, FEDORA-2016-a0853405eb, FEDORA-2016-aae6bb9433, FEDORA-2016-b046b56518, FEDORA-2016-e37f15a5f4, FEDORA-2016-ef784cf9f7, openSUSE-SU-2016:1885-1, openSUSE-SU-2016:2120-1, RHSA-2016:1626-01, RHSA-2016:1627-01, RHSA-2016:1628-01, RHSA-2016:1629-01, RHSA-2016:1630-01, SP-CAAAPSR, SPL-128812, SUSE-SU-2019:0223-1, USN-3134-1, VIGILANCE-VUL-19915.

Description of the vulnerability

The Python library includes a SMTP client.

This library enables a TLS tunnel. However, it does not check the status code of the STARTTLS command and accept to continue the SMTP session in plain text. An attacker who can hijack the traffic can insert an error after the STARTTLS command to disable the encryption.

An attacker can therefore make the creation of a TLS tunnel by the smtplib module of Python, in order to read sent mails.
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