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Computer vulnerabilities of Cisco Unified IP Phone

vulnerability CVE-2017-12328

Cisco IP Phone 8800: denial of service via SIP

Synthesis of the vulnerability

An attacker can send malicious SIP packets to Cisco IP Phone 8800, in order to trigger a denial of service.
Impacted products: Cisco IP Phone.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Creation date: 30/11/2017.
Identifiers: cisco-sa-20171129-ipp, CSCvc62590, CVE-2017-12328, VIGILANCE-VUL-24580.

Description of the vulnerability

An attacker can send malicious SIP packets to Cisco IP Phone 8800, in order to trigger a denial of service.
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vulnerability note CVE-2017-12305

Cisco IP Phone 8800 Series: code execution via Debug Shell

Synthesis of the vulnerability

An attacker can use a vulnerability via Debug Shell of Cisco IP Phone 8800 Series, in order to run code.
Impacted products: Cisco IP Phone.
Severity: 2/4.
Consequences: administrator access/rights, privileged access/rights, user access/rights.
Provenance: user shell.
Creation date: 16/11/2017.
Identifiers: cisco-sa-20171115-ipp, CSCvf80034, CVE-2017-12305, VIGILANCE-VUL-24474.

Description of the vulnerability

An attacker can use a vulnerability via Debug Shell of Cisco IP Phone 8800 Series, in order to run code.
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vulnerability note CVE-2017-13077 CVE-2017-13078 CVE-2017-13079

WPA2: information disclosure via Key Reinstallation Attacks

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via Key Reinstallation Attacks of WPA2, in order to obtain sensitive information.
Impacted products: SNS, iOS by Apple, iPhone, Mac OS X, ArubaOS, Cisco Aironet, Cisco AnyConnect Secure Mobility Client, ASA, Meraki MR***, Cisco IP Phone, Cisco Wireless IP Phone, Debian, Fedora, FortiGate, FortiOS, FreeBSD, Android OS, Junos OS, SSG, Linux, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, NetBSD, NetScreen Firewall, ScreenOS, OpenBSD, openSUSE Leap, pfSense, 802.11 protocol, RHEL, RuggedSwitch, SIMATIC, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Synology DS***, Synology RS***, Ubuntu, Unix (platform) ~ not comprehensive.
Severity: 3/4.
Consequences: data reading.
Provenance: radio connection.
Number of vulnerabilities in this bulletin: 10.
Creation date: 16/10/2017.
Identifiers: ARUBA-PSA-2017-007, CERTFR-2017-ALE-014, CERTFR-2017-AVI-357, CERTFR-2017-AVI-358, CERTFR-2017-AVI-359, CERTFR-2017-AVI-360, CERTFR-2017-AVI-361, CERTFR-2017-AVI-363, CERTFR-2017-AVI-373, CERTFR-2017-AVI-379, CERTFR-2017-AVI-383, CERTFR-2017-AVI-390, CERTFR-2017-AVI-441, CERTFR-2017-AVI-478, CERTFR-2018-AVI-014, CERTFR-2018-AVI-048, cisco-sa-20171016-wpa, CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, CVE-2017-13088, DLA-1150-1, DLA-1200-1, DLA-1573-1, DSA-3999-1, FEDORA-2017-12e76e8364, FEDORA-2017-45044b6b33, FEDORA-2017-60bfb576b7, FEDORA-2017-cfb950d8f4, FEDORA-2017-fc21e3856b, FG-IR-17-196, FreeBSD-SA-17:07.wpa, HT208221, HT208222, HT208334, HT208394, JSA10827, K-511282, KRACK Attacks, openSUSE-SU-2017:2755-1, openSUSE-SU-2017:2846-1, openSUSE-SU-2017:2896-1, openSUSE-SU-2017:2905-1, openSUSE-SU-2017:3144-1, RHSA-2017:2907-01, RHSA-2017:2911-01, SSA:2017-291-02, SSA-418456, SSA-901333, STORM-2017-005, SUSE-SU-2017:2745-1, SUSE-SU-2017:2752-1, SUSE-SU-2017:2847-1, SUSE-SU-2017:2869-1, SUSE-SU-2017:2908-1, SUSE-SU-2017:2920-1, SUSE-SU-2017:3106-1, SUSE-SU-2017:3165-1, SUSE-SU-2017:3265-1, SUSE-SU-2017:3267-1, SUSE-SU-2018:0040-1, SUSE-SU-2018:0171-1, Synology-SA-17:60, Synology-SA-17:60 KRACK, USN-3455-1, USN-3505-1, VIGILANCE-VUL-24144, VU#228519.

Description of the vulnerability

An attacker can bypass access restrictions to data via Key Reinstallation Attacks of WPA2, in order to obtain sensitive information.
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vulnerability CVE-2017-6630

Cisco IP Phone 8851: denial of service via SIP CANCEL

Synthesis of the vulnerability

An attacker can send malicious SIP CANCEL packets to Cisco IP Phone 8851, in order to trigger a denial of service.
Impacted products: Cisco IP Phone.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Creation date: 18/05/2017.
Identifiers: CERTFR-2017-AVI-160, cisco-sa-20170517-sip, CSCvc34795, CVE-2017-6630, VIGILANCE-VUL-22760.

Description of the vulnerability

The Cisco IP Phone 8851 product has a service to manage received SIP CANCEL packets.

However, when malicious SIP CANCEL packets are received, a fatal error occurs.

An attacker can therefore send malicious SIP CANCEL packets to Cisco IP Phone 8851, in order to trigger a denial of service.
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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, 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-2016-7052

OpenSSL 1.0.2i: NULL pointer dereference via CRL

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via a CRL on an application linked to OpenSSL 1.0.2i, in order to trigger a denial of service.
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, Fedora, FreeBSD, hMailServer, HP Switch, AIX, DB2 UDB, Tivoli Storage Manager, Tivoli Workload Scheduler, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, ePO, Meinberg NTP Server, NetScreen Firewall, ScreenOS, 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, Tuxedo, WebLogic, Oracle Web Tier, Base SAS Software, Shibboleth SP, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Nessus.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 26/09/2016.
Identifiers: 1996096, 2000095, 2000209, 2003480, 2003620, 2003673, 2008828, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpuoct2017, CVE-2016-7052, FEDORA-2016-97454404fe, FEDORA-2016-a555159613, FreeBSD-SA-16:27.openssl, HPESBHF03856, JSA10759, openSUSE-SU-2016:2496-1, openSUSE-SU-2018:0458-1, SA132, SB10171, SP-CAAAPUE, SPL-129207, SSA:2016-270-01, SUSE-SU-2016:2470-1, SUSE-SU-2016:2470-2, TNS-2016-16, VIGILANCE-VUL-20701.

Description of the vulnerability

The OpenSSL version 1.0.2i product fixed a bug in CRL management.

However, this fix does not check if a pointer is NULL, before using it.

An attacker can therefore force a NULL pointer to be dereferenced via a CRL on an application linked to OpenSSL 1.0.2i, in order to trigger a denial of service.
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vulnerability CVE-2016-6309

OpenSSL 1.1.0a: use after free via TLS

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via TLS on an application linked to OpenSSL 1.1.0a, in order to trigger a denial of service, and possibly to run code.
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, FreeRADIUS, HP Switch, DB2 UDB, Tivoli Storage Manager, Tivoli Workload Scheduler, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, NetScreen Firewall, ScreenOS, OpenSSL, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Tuxedo, WebLogic, Oracle Web Tier, Base SAS Software, Nessus.
Severity: 3/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 26/09/2016.
Identifiers: 1996096, 2000095, 2000209, 2003480, 2003620, 2003673, 2008828, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, CVE-2016-6309, HPESBHF03856, JSA10759, SA132, TNS-2016-16, VIGILANCE-VUL-20700.

Description of the vulnerability

The OpenSSL version 1.1.0a product fixed the CVE-2016-6307 vulnerability.

However, the reception of a TLS message of 16kb frees a memory area before reusing it.

An attacker can therefore force the usage of a freed memory area via TLS on an application linked to OpenSSL 1.1.0a, in order to trigger a denial of service, and possibly to run code.
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computer vulnerability bulletin CVE-2016-6302 CVE-2016-6303 CVE-2016-6304

OpenSSL: seven vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of OpenSSL.
Impacted products: SDS, SES, SNS, Mac OS X, Arkoon FAST360, 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, IRAD, QRadar SIEM, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Space, NSM Central Manager, NSMXpress, MariaDB ~ precise, McAfee Email Gateway, ePO, MySQL Community, MySQL Enterprise, 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, VirtualBox, WebLogic, Oracle Web Tier, Percona Server, pfSense, Pulse Connect Secure, Pulse Secure Client, Pulse Secure SBR, Puppet, 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, VxWorks, WinSCP.
Severity: 3/4.
Consequences: privileged access/rights, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 7.
Creation date: 22/09/2016.
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, 1999421, 1999474, 1999478, 1999479, 1999488, 1999532, 2000095, 2000209, 2000544, 2002870, 2003480, 2003620, 2003673, 2008828, bulletinapr2017, bulletinjul2016, bulletinoct2016, CERTFR-2016-AVI-320, CERTFR-2016-AVI-333, cisco-sa-20160927-openssl, cpuapr2017, cpuapr2018, cpujan2017, cpujan2018, cpujul2017, cpuoct2017, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6305, CVE-2016-6306, CVE-2016-6307, CVE-2016-6308, 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, HT207423, 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-2016:2802-01, 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, RHSA-2017:2493-01, RHSA-2017:2494-01, SA132, SA40312, SB10171, SB10215, SOL54211024, SOL90492697, SP-CAAAPUE, SPL-129207, SSA:2016-266-01, STORM-2016-005, 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-20678.

Description of the vulnerability

Several vulnerabilities were announced in OpenSSL.

An attacker can create a memory over consumption via an OCSP request, in order to trigger a denial of service. [severity:3/4; CVE-2016-6304]

An attacker can make a process block itself via SSL_peek, in order to trigger a denial of service. [severity:2/4; CVE-2016-6305]

An attacker can generate a buffer overflow via MDC2_Update, in order to trigger a denial of service, and possibly to run code. [severity:1/4; CVE-2016-6303]

An attacker can generate a read only buffer overflow, in order to trigger a denial of service. [severity:1/4; CVE-2016-6302]

An attacker can generate a read only buffer overflow via the parsing of an X.509 certificate, in order to trigger a denial of service. [severity:1/4; CVE-2016-6306]

An attacker can make the server allocates a large amount of memory to process TLS packets. [severity:1/4; CVE-2016-6307]

An attacker can make the server allocates a large amount of memory to process DTLS packets. [severity:1/4; CVE-2016-6308]
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vulnerability CVE-2016-1469

Cisco Small Business SPA300 Series IP Phone: denial of service via HTTP

Synthesis of the vulnerability

An attacker can send a malicious HTTP packet to Cisco Small Business SPA300 Series IP Phone, in order to trigger a denial of service.
Impacted products: Cisco IP Phone.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Creation date: 01/09/2016.
Identifiers: CERTFR-2016-AVI-291, cisco-sa-20160831-spa, CSCut67385, CVE-2016-1469, VIGILANCE-VUL-20500.

Description of the vulnerability

The Cisco Small Business SPA300 Series IP Phone product has a service to manage received HTTP packets.

However, when a malicious packet is received, a fatal error occurs.

An attacker can therefore send a malicious HTTP packet to Cisco Small Business SPA300 Series IP Phone, in order to trigger a denial of service.
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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, 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, 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, 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, cisco-sa-20160927-openssl, cpuapr2017, cpujan2018, cpujul2017, cpuoct2017, CVE-2016-2183, CVE-2016-6329, DSA-2018-124, 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, 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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