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 HPE Switch

vulnerability announce CVE-2015-1791

OpenSSL: use after free via NewSessionTicket

Synthesis of the vulnerability

An attacker, who own a malicious TLS server, can send the NewSessionTicket message, to force the usage of a freed memory area in a client linked to OpenSSL, in order to trigger a denial of service, and possibly to execute code.
Impacted products: ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Cisco ASR, Cisco ATA, Cisco AnyConnect Secure Mobility Client, AnyConnect VPN Client, Cisco ACE, ASA, AsyncOS, Cisco Catalyst, Cisco Content SMA, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, IronPort Encryption, Nexus by Cisco, NX-OS, Cisco Prime Access Registrar, Prime Collaboration Assurance, Cisco Prime DCNM, Prime Infrastructure, Cisco Prime LMS, Prime Network Control Systems, Cisco PRSM, Cisco Router, Secure ACS, Cisco CUCM, Cisco Manager Attendant Console, Cisco Unified CCX, Cisco IP Phone, Cisco MeetingPlace, Cisco Wireless IP Phone, Cisco Unity ~ precise, Cisco WSA, Debian, BIG-IP Hardware, TMOS, Fedora, FileZilla Server, FortiAnalyzer, FortiAnalyzer Virtual Appliance, FortiClient, FortiManager, FortiManager Virtual Appliance, FortiOS, FreeBSD, HP Operations, HP Switch, HP-UX, AIX, IRAD, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere MQ, Juniper J-Series, Junos OS, Junos Pulse, Juniper Network Connect, Juniper SBR, McAfee Email and Web Security, McAfee Email Gateway, McAfee Web Gateway, Data ONTAP, Snap Creator Framework, SnapManager, NetBSD, NetScreen Firewall, ScreenOS, Nodejs Core, OpenSSL, openSUSE, openSUSE Leap, Oracle Communications, Solaris, Palo Alto Firewall PA***, PAN-OS, pfSense, Pulse Connect Secure, Puppet, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Synology DS***, Synology RS***, Ubuntu, WinSCP.
Severity: 2/4.
Consequences: user access/rights, denial of service on client.
Provenance: internet client.
Creation date: 04/06/2015.
Identifiers: 1961569, 1964113, 1970103, 2003480, 2003620, 2003673, 9010038, 9010039, bulletinjul2015, c04760669, c05184351, c05353965, CERTFR-2015-AVI-431, CERTFR-2016-AVI-128, CERTFR-2016-AVI-303, cisco-sa-20150612-openssl, cpuapr2017, cpuoct2016, cpuoct2017, CTX216642, CVE-2015-1791, DSA-3287-1, FEDORA-2015-10047, FEDORA-2015-10108, FreeBSD-SA-15:10.openssl, HPSBGN03678, HPSBHF03613, HPSBUX03388, JSA10694, JSA10733, NetBSD-SA2015-008, NTAP-20150616-0001, openSUSE-SU-2015:1139-1, openSUSE-SU-2016:0640-1, PAN-SA-2016-0020, PAN-SA-2016-0028, RHSA-2015:1115-01, SA40002, SA98, SB10122, SOL16914, SSA:2015-162-01, SSRT102180, SUSE-SU-2015:1143-1, SUSE-SU-2015:1150-1, SUSE-SU-2015:1182-2, SUSE-SU-2015:1184-1, SUSE-SU-2015:1184-2, SUSE-SU-2015:1185-1, TSB16728, USN-2639-1, VIGILANCE-VUL-17062.

Description of the vulnerability

The TLS protocol uses the NewSessionTicket message to obtain a new session ticket (RFC 5077).

The ssl3_get_new_session_ticket() function of the ssl/s3_clnt.c file implements NewSessionTicket in an OpenSSL client. However, if the client is multi-threaded, this function frees a memory area before reusing it.

An attacker, who own a malicious TLS server, can therefore send the NewSessionTicket message, to force the usage of a freed memory area in a client linked to OpenSSL, in order to trigger a denial of service, and possibly to execute code.
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computer vulnerability note CVE-2015-3143 CVE-2015-3144 CVE-2015-3145

cURL: four vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of cURL.
Impacted products: OpenOffice, curl, Debian, BIG-IP Hardware, TMOS, Fedora, HP Switch, Juniper EX-Series, Juniper J-Series, Junos OS, SRX-Series, openSUSE, Solaris, RHEL, Slackware, Ubuntu.
Severity: 2/4.
Consequences: privileged access/rights, user access/rights, denial of service on client.
Provenance: internet server.
Number of vulnerabilities in this bulletin: 4.
Creation date: 22/04/2015.
Identifiers: c04986859, CERTFR-2016-AVI-128, cpuoct2018, CVE-2015-3143, CVE-2015-3144, CVE-2015-3145, CVE-2015-3148, DSA-3232-1, FEDORA-2015-6712, FEDORA-2015-6728, FEDORA-2015-6853, HPSBHF03544, JSA10743, JSA10874, MDVSA-2015:219, MDVSA-2015:220, openSUSE-SU-2015:0799-1, RHSA-2015:1254-02, RHSA-2015:2159-06, SOL16704, SOL16707, SOL16708, SSA:2015-302-01, USN-2591-1, VIGILANCE-VUL-16689.

Description of the vulnerability

Several vulnerabilities were announced in cURL.

In order to optimize its performance, libcurl uses a pool to store its recent connections. However, after a first NTLM query, if the second query does not set a login, the memorized connection is reused. In this case, authentication data of the first query are thus used for the second query. [severity:2/4; CVE-2015-3143]

In order to optimize its performance, libcurl uses a pool to store its recent connections. However, after a first Negotiate query, if the second query uses a new login, the memorized connection is reused. In this case, authentication data of the first query are thus used for the second query. [severity:2/4; CVE-2015-3148]

An attacker can force a read at an invalid address in sanitize_cookie_path(), in order to trigger a denial of service. [severity:2/4; CVE-2015-3145]

An attacker can use an url such as "http://:80" to generate a memory corruption of one byte in fix_hostname(), in order to trigger a denial of service, and possibly to execute code. [severity:2/4; CVE-2015-3144]
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computer vulnerability bulletin CVE-2015-3405

NTP.org: predictability of ntp-keygen

Synthesis of the vulnerability

An attacker can predict some keys generated by ntp-keygen of NTP.org, in order to access to resources protected by these keys.
Impacted products: Debian, HP Switch, Meinberg NTP Server, NTP.org, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: user access/rights, data reading.
Provenance: intranet client.
Creation date: 09/04/2015.
Identifiers: 2797, bulletinapr2015, CVE-2015-3405, DSA-3388-1, HPESBHF03886, RHSA-2015:1459-01, RHSA-2015:2231-04, SUSE-SU-2015:1173-1, VIGILANCE-VUL-16568.

Description of the vulnerability

The NTP.org product provides the ntp-keygen tool to generate cryptographic keys.

However, if the intermediate result of the gen_md5() function is between 0x20 and 0x7f (except 0x23), then the value is repeated 20 times. The generated key is then highly predictable.

An attacker can therefore predict some keys generated by ntp-keygen of NTP.org, in order to access to resources protected by these keys.
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computer vulnerability bulletin CVE-2015-1798 CVE-2015-1799

NTP.org: two vulnerabilities of Crypto

Synthesis of the vulnerability

An attacker can use two vulnerabilities related to cryptographic features of NTP.org.
Impacted products: Cisco ASR, Cisco ACE, ASA, Cisco Catalyst, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, Cisco IPS, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, Secure ACS, Debian, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FreeBSD, HP Switch, HP-UX, AIX, Meinberg NTP Server, NTP.org, openSUSE, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading, data creation/edition, denial of service on service.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 07/04/2015.
Identifiers: 2779, 2781, bulletinapr2015, c04679309, c05033748, cisco-sa-20150408-ntpd, CVE-2015-1798, CVE-2015-1799, DSA-3223-1, FEDORA-2015-5830, FEDORA-2015-5874, FreeBSD-SA-15:07.ntp, HPSBHF03557, HPSBUX03333, MDVSA-2015:202, ntp4_advisory, ntp_advisory3, openSUSE-SU-2015:0775-1, RHSA-2015:1459-01, RHSA-2015:2231-04, SOL16505, SOL16506, SSA:2015-111-08, SSRT102029, SUSE-SU-2015:1173-1, SUSE-SU-2016:1912-1, SUSE-SU-2016:2094-1, USN-2567-1, VIGILANCE-VUL-16548, VN-2015-006-NTP, VU#374268.

Description of the vulnerability

Several vulnerabilities were announced in NTP.org.

An attacker can use a message without MAC (Message Authentication Code), in order to bypass the authentication using a symmetric key. [severity:2/4; 2779, CVE-2015-1798]

An attacker can spoof a packet between two servers paired with a symmetric association, in order to trigger a denial of service. [severity:2/4; 2781, CVE-2015-1799]
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computer vulnerability alert CVE-2015-2808

TLS: RC4 decryption via Bar Mitzvah

Synthesis of the vulnerability

An attacker can use the Bar Mitzvah Attack on TLS, in order to obtain sensitive information encrypted by RC4.
Impacted products: DCFM Enterprise, Brocade Network Advisor, Brocade vTM, Avamar, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, HPE BSM, HP Data Protector, HPE NNMi, HP Operations, SiteScope, HP Switch, HP-UX, AIX, DB2 UDB, Domino, Notes, IRAD, Security Directory Server, Tivoli Storage Manager, Tivoli Workload Scheduler, WebSphere AS Traditional, WebSphere MQ, SnapManager, Oracle Communications, Oracle Directory Server, Oracle Directory Services Plus, Oracle Fusion Middleware, Oracle GlassFish Server, Oracle Identity Management, Oracle iPlanet Web Server, Oracle OIT, Oracle Virtual Directory, WebLogic, Oracle Web Tier, SSL protocol, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: data reading.
Provenance: internet client.
Creation date: 27/03/2015.
Identifiers: 1450666, 1610582, 1647054, 1882708, 1883551, 1883553, 1902260, 1903541, 1960659, 1963275, 1967498, 523628, 7014463, 7022958, 7045736, 9010041, 9010044, Bar Mitzvah, BSA-2015-007, c04708650, c04767175, c04770140, c04772305, c04773119, c04773241, c04777195, c04777255, c04832246, c04926789, c05085988, c05336888, cpujan2018, cpuoct2017, CVE-2015-2808, DSA-2018-124, HPSBGN03350, HPSBGN03393, HPSBGN03399, HPSBGN03407, HPSBGN03414, HPSBGN03415, HPSBGN03580, HPSBHF03673, HPSBMU03345, HPSBMU03401, HPSBUX03435, HPSBUX03512, NTAP-20150715-0001, NTAP-20151028-0001, RHSA-2015:1020-01, RHSA-2015:1021-01, RHSA-2015:1091-01, SOL16864, SSRT102254, SSRT102977, SUSE-SU-2015:1073-1, SUSE-SU-2015:1085-1, SUSE-SU-2015:1086-1, SUSE-SU-2015:1086-2, SUSE-SU-2015:1086-3, SUSE-SU-2015:1086-4, SUSE-SU-2015:1138-1, SUSE-SU-2015:1161-1, VIGILANCE-VUL-16486, VN-2015-004.

Description of the vulnerability

During the initialization of a TLS session, the client and the server negotiate cryptographic algorithms. The RC4 algorithm can be chosen to encrypt data.

For some weak keys (one over 2^24), the Invariance Weakness can be used to predict the two LSB (Least Significant Bit) of the 100 first bytes encrypted with RC4. The first TLS message is "Finished" (36 bytes), thus an attacker can predict LSBs of 64 bytes.

An attacker can therefore use the Bar Mitzvah Attack on TLS, in order to obtain sensitive information encrypted by RC4.
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vulnerability CVE-2014-9750 CVE-2014-9751

NTP.org: two vulnerabilities

Synthesis of the vulnerability

An attacker can use several vulnerabilities of NTP.org.
Impacted products: Debian, BIG-IP Hardware, TMOS, Fedora, FreeBSD, HP Switch, AIX, Juniper J-Series, Junos OS, Junos Space, NSMXpress, Meinberg NTP Server, NetBSD, NTP.org, Solaris, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading, data flow.
Provenance: internet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 04/02/2015.
Identifiers: 2671, bulletinapr2015, CERTFR-2015-AVI-162, CERTFR-2015-AVI-169, CERTFR-2016-AVI-148, CVE-2014-9297-REJECT, CVE-2014-9298-REJECT, CVE-2014-9750, CVE-2014-9751, DSA-3154-1, DSA-3154-2, DSA-3388-1, FEDORA-2015-1736, FEDORA-2015-1759, FreeBSD-SA-15:07.ntp, HPESBHF03886, JSA10663, K16393, MBGSA-1501, MDVSA-2015:046, MDVSA-2015:140, NetBSD-SA2016-001, ntp4_advisory, RHSA-2015:1459-01, RHSA-2015:2231-04, SOL16392, SOL16393, SSA:2015-302-03, SUSE-SU-2014:1686-1, SUSE-SU-2014:1686-2, SUSE-SU-2014:1686-3, SUSE-SU-2014:1690-1, SUSE-SU-2015:0259-1, SUSE-SU-2015:0259-2, SUSE-SU-2015:0259-3, SUSE-SU-2015:0274-1, SUSE-SU-2015:0322-1, USN-2497-1, VIGILANCE-VUL-16110.

Description of the vulnerability

Several vulnerabilities were announced in NTP.org.

An attacker can use a large "vallen" field, to read a memory fragment in ntp_crypto.c, in order to obtain sensitive information. [severity:1/4; 2671, CVE-2014-9297-REJECT, CVE-2014-9750]

An attacker can bypass ACLs using the IPv6 ::1 address. [severity:2/4; CVE-2014-9298-REJECT, CVE-2014-9751]
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vulnerability alert CVE-2014-3568

OpenSSL: option no-ssl3 useless

Synthesis of the vulnerability

An attacker can still use SSLv3, even if OpenSSL was compiled with no-ssl3.
Impacted products: ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, FreeBSD, hMailServer, ProCurve Switch, HP Switch, HP-UX, Tivoli Workload Scheduler, McAfee Email and Web Security, McAfee Email Gateway, ePO, VirusScan, McAfee Web Gateway, NetBSD, OpenSSL, openSUSE, openSUSE Leap, Solaris, Puppet, Slackware, stunnel, SUSE Linux Enterprise Desktop, SLES, ESXi, vCenter Server, VMware vSphere, VMware vSphere Hypervisor, WinSCP.
Severity: 1/4.
Consequences: data flow.
Provenance: internet client.
Creation date: 15/10/2014.
Identifiers: 1691140, 1696383, c04492722, c04616259, CERTFR-2014-AVI-435, CERTFR-2014-AVI-509, CERTFR-2015-AVI-024, CERTFR-2016-AVI-303, CTX216642, CVE-2014-3568, DSA-3053-1, ESXi500-201502001, ESXi500-201502101-SG, ESXi510-201503001, ESXi510-201503001-SG, ESXi510-201503101-SG, ESXi550-201501001, ESXi550-201501101-SG, FreeBSD-SA-14:23.openssl, HPSBHF03300, HPSBUX03162, NetBSD-SA2014-015, openSUSE-SU-2014:1331-1, openSUSE-SU-2014:1426-1, openSUSE-SU-2016:0640-1, SA87, SB10091, SSA:2014-288-01, SSRT101767, SUSE-SU-2014:1357-1, SUSE-SU-2014:1361-1, SUSE-SU-2014:1386-1, SUSE-SU-2014:1387-1, SUSE-SU-2014:1387-2, SUSE-SU-2014:1409-1, VIGILANCE-VUL-15491, VMSA-2015-0001, VMSA-2015-0001.1, VMSA-2015-0001.2.

Description of the vulnerability

The OpenSSL library can be compiled with the no-ssl3 option, in order to disable SSLv3.

However, this option does not work.

An attacker can therefore still use SSLv3, even if OpenSSL was compiled with no-ssl3.
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vulnerability CVE-2014-3567

OpenSSL: memory leak via Session Ticket

Synthesis of the vulnerability

An attacker can use a malicious Session Ticket, to create a memory leak in OpenSSL, in order to trigger a denial of service.
Impacted products: StormShield, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, BIG-IP Hardware, TMOS, FreeBSD, hMailServer, ProCurve Switch, HP Switch, HP-UX, AIX, Tivoli Workload Scheduler, McAfee Email and Web Security, McAfee Email Gateway, ePO, VirusScan, McAfee Web Gateway, NetBSD, OpenBSD, OpenSSL, openSUSE, openSUSE Leap, Solaris, Puppet, RHEL, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Ubuntu, ESXi, vCenter Server, VMware vSphere, VMware vSphere Hypervisor, WinSCP.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 15/10/2014.
Identifiers: 1691140, 1696383, c04492722, c04616259, CERTFR-2014-AVI-435, CERTFR-2014-AVI-509, CERTFR-2015-AVI-024, CERTFR-2016-AVI-303, CTX216642, CVE-2014-3567, DSA-3053-1, ESXi500-201502001, ESXi500-201502101-SG, ESXi510-201503001, ESXi510-201503001-SG, ESXi510-201503101-SG, ESXi550-201501001, ESXi550-201501101-SG, FreeBSD-SA-14:23.openssl, HPSBHF03300, HPSBUX03162, MDVSA-2014:203, MDVSA-2015:062, NetBSD-SA2014-015, openSUSE-SU-2014:1331-1, openSUSE-SU-2014:1426-1, openSUSE-SU-2016:0640-1, RHSA-2014:1652-01, RHSA-2014:1653-01, RHSA-2014:1692-01, RHSA-2015:0126-01, SA87, SB10091, SOL15723, SP-CAAANST, SPL-91947, SPL-91948, SSA:2014-288-01, SSRT101767, STORM-2014-003, SUSE-SU-2014:1357-1, SUSE-SU-2014:1361-1, SUSE-SU-2014:1386-1, SUSE-SU-2014:1387-1, SUSE-SU-2014:1387-2, SUSE-SU-2014:1409-1, USN-2385-1, VIGILANCE-VUL-15490, VMSA-2015-0001, VMSA-2015-0001.1, VMSA-2015-0001.2.

Description of the vulnerability

The OpenSSL product implements a SSL/TLS/DTLS client/server.

When the server receives a session ticket, it checks its integrity. However, if this ticket is invalid, the memory allocated for its processing is never freed.

An attacker can therefore use a malicious Session Ticket, to create a memory leak in OpenSSL, in order to trigger a denial of service.
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computer vulnerability note CVE-2014-3513

OpenSSL: memory leak via SRTP

Synthesis of the vulnerability

An attacker can create a memory leak in OpenSSL compiled by default with SRTP, in order to trigger a denial of service.
Impacted products: ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, Debian, BIG-IP Hardware, TMOS, FreeBSD, hMailServer, ProCurve Switch, HP Switch, AIX, Tivoli Workload Scheduler, McAfee Email and Web Security, McAfee Email Gateway, ePO, VirusScan, McAfee Web Gateway, NetBSD, OpenBSD, OpenSSL, openSUSE, Solaris, Puppet, RHEL, Slackware, stunnel, SUSE Linux Enterprise Desktop, SLES, Ubuntu, ESXi, vCenter Server, VMware vSphere, VMware vSphere Hypervisor, WinSCP.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 15/10/2014.
Identifiers: 1691140, 1696383, c04616259, CERTFR-2014-AVI-435, CERTFR-2014-AVI-509, CERTFR-2015-AVI-024, CVE-2014-3513, DSA-3053-1, ESXi500-201502001, ESXi500-201502101-SG, ESXi510-201503001, ESXi510-201503001-SG, ESXi510-201503101-SG, ESXi550-201501001, ESXi550-201501101-SG, FreeBSD-SA-14:23.openssl, HPSBHF03300, MDVSA-2015:062, NetBSD-SA2014-015, openSUSE-SU-2014:1331-1, openSUSE-SU-2014:1426-1, RHSA-2014:1652-01, RHSA-2014:1653-01, RHSA-2014:1692-01, SA87, SB10091, SOL15722, SSA:2014-288-01, SUSE-SU-2014:1357-1, SUSE-SU-2014:1386-1, SUSE-SU-2014:1387-1, SUSE-SU-2014:1387-2, SUSE-SU-2014:1409-1, USN-2385-1, VIGILANCE-VUL-15489, VMSA-2015-0001, VMSA-2015-0001.1, VMSA-2015-0001.2.

Description of the vulnerability

The OpenSSL library supports the SRTP extension, which is enabled by default (except if OPENSSL_NO_SRTP is used).

However, when the OpenSSL server receives a special Handshake message (even if SRTP is not used), an allocated memory area of 64kb is never freed.

An attacker can therefore create a memory leak in OpenSSL compiled by default with SRTP, in order to trigger a denial of service.
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computer vulnerability CVE-2014-3566

SSL 3.0: decrypting session, POODLE

Synthesis of the vulnerability

An attacker, located as a Man-in-the-Middle, can decrypt a SSL 3.0 session, in order to obtain sensitive information.
Impacted products: SES, SNS, Apache httpd, Arkoon FAST360, ArubaOS, Asterisk Open Source, BES, ProxyAV, ProxySG par Blue Coat, SGOS by Blue Coat, GAiA, CheckPoint IP Appliance, IPSO, SecurePlatform, CheckPoint Security Appliance, CheckPoint Security Gateway, Cisco ASR, Cisco ACE, ASA, AsyncOS, Cisco CSS, Cisco ESA, IOS by Cisco, IOS XE Cisco, IOS XR Cisco, IronPort Email, Nexus by Cisco, NX-OS, Prime Infrastructure, Cisco PRSM, Cisco Router, WebNS, Clearswift Email Gateway, Clearswift Web Gateway, CUPS, Debian, Black Diamond, ExtremeXOS, Summit, BIG-IP Hardware, TMOS, Fedora, FortiGate, FortiGate Virtual Appliance, FortiManager, FortiManager Virtual Appliance, FortiOS, FreeBSD, F-Secure AV, hMailServer, HPE BSM, HP Data Protector, HPE NNMi, HP Operations, ProCurve Switch, SiteScope, HP Switch, TippingPoint IPS, HP-UX, AIX, Domino, Notes, Security Directory Server, SPSS Data Collection, Tivoli System Automation, Tivoli Workload Scheduler, WebSphere AS Traditional, WebSphere MQ, IVE OS, Juniper J-Series, Junos OS, Junos Space, Junos Space Network Management Platform, MAG Series by Juniper, NSM Central Manager, NSMXpress, Juniper SA, McAfee Email and Web Security, McAfee Email Gateway, ePO, VirusScan, McAfee Web Gateway, IE, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows (platform) ~ not comprehensive, Windows RT, Windows Vista, NETASQ, NetBSD, NetScreen Firewall, ScreenOS, nginx, Nodejs Core, OpenSSL, openSUSE, openSUSE Leap, Oracle DB, Oracle Fusion Middleware, Oracle Identity Management, Oracle OIT, Solaris, Tuxedo, WebLogic, Palo Alto Firewall PA***, PAN-OS, Polycom CMA, HDX, RealPresence Collaboration Server, RealPresence Distributed Media Application, Polycom VBP, Postfix, SSL protocol, Puppet, RHEL, JBoss EAP by Red Hat, RSA Authentication Manager, ROS, ROX, RuggedSwitch, Slackware, Splunk Enterprise, stunnel, SUSE Linux Enterprise Desktop, SLES, Synology DSM, Ubuntu, Unix (platform) ~ not comprehensive, ESXi, vCenter Server, VMware vSphere, VMware vSphere Hypervisor, WinSCP.
Severity: 3/4.
Consequences: data reading, data creation/edition.
Provenance: internet client.
Creation date: 15/10/2014.
Identifiers: 10923, 1589583, 1595265, 1653364, 1657963, 1663874, 1687167, 1687173, 1687433, 1687604, 1687611, 1690160, 1690185, 1690342, 1691140, 1692551, 1695392, 1696383, 1699051, 1700706, 2977292, 3009008, 7036319, aid-10142014, AST-2014-011, bulletinapr2015, bulletinjan2015, bulletinjan2016, bulletinjul2015, bulletinjul2016, bulletinoct2015, c04486577, c04487990, c04492722, c04497114, c04506802, c04510230, c04567918, c04616259, c04626982, c04676133, c04776510, CERTFR-2014-ALE-007, CERTFR-2014-AVI-454, CERTFR-2014-AVI-509, CERTFR-2015-AVI-169, CERTFR-2016-AVI-303, cisco-sa-20141015-poodle, cpujul2017, CTX216642, CVE-2014-3566, DSA-3053-1, DSA-3253-1, DSA-3489-1, ESA-2014-178, ESA-2015-098, ESXi500-201502001, ESXi500-201502101-SG, ESXi510-201503001, ESXi510-201503001-SG, ESXi510-201503101-SG, ESXi550-201501001, ESXi550-201501101-SG, FEDORA-2014-12989, FEDORA-2014-12991, FEDORA-2014-13012, FEDORA-2014-13017, FEDORA-2014-13040, FEDORA-2014-13069, FEDORA-2014-13070, FEDORA-2014-13444, FEDORA-2014-13451, FEDORA-2014-13764, FEDORA-2014-13777, FEDORA-2014-13781, FEDORA-2014-13794, FEDORA-2014-14234, FEDORA-2014-14237, FEDORA-2014-15379, FEDORA-2014-15390, FEDORA-2014-15411, FEDORA-2014-17576, FEDORA-2014-17587, FEDORA-2015-9090, FEDORA-2015-9110, FreeBSD-SA-14:23.openssl, FSC-2014-8, HPSBGN03256, HPSBGN03305, HPSBGN03332, HPSBHF03156, HPSBHF03300, HPSBMU03152, HPSBMU03184, HPSBMU03213, HPSBMU03416, HPSBUX03162, HPSBUX03194, JSA10656, MDVSA-2014:203, MDVSA-2014:218, MDVSA-2015:062, NetBSD-SA2014-015, nettcp_advisory, openSUSE-SU-2014:1331-1, openSUSE-SU-2014:1384-1, openSUSE-SU-2014:1395-1, openSUSE-SU-2014:1426-1, openSUSE-SU-2016:0640-1, openSUSE-SU-2016:1586-1, openSUSE-SU-2017:0980-1, PAN-SA-2014-0005, POODLE, RHSA-2014:1652-01, RHSA-2014:1653-01, RHSA-2014:1692-01, RHSA-2014:1920-01, RHSA-2014:1948-01, RHSA-2015:0010-01, RHSA-2015:0011-01, RHSA-2015:0012-01, RHSA-2015:1545-01, RHSA-2015:1546-01, SA83, SB10090, SB10104, sk102989, SOL15702, SP-CAAANKE, SP-CAAANST, SPL-91947, SPL-91948, SSA:2014-288-01, SSA-396873, SSA-472334, SSRT101767, STORM-2014-02-FR, SUSE-SU-2014:1357-1, SUSE-SU-2014:1361-1, SUSE-SU-2014:1386-1, SUSE-SU-2014:1387-1, SUSE-SU-2014:1387-2, SUSE-SU-2014:1409-1, SUSE-SU-2015:0010-1, SUSE-SU-2016:1457-1, SUSE-SU-2016:1459-1, T1021439, TSB16540, USN-2839-1, VIGILANCE-VUL-15485, VMSA-2015-0001, VMSA-2015-0001.1, VMSA-2015-0001.2, VN-2014-003, VU#577193.

Description of the vulnerability

An SSL/TLS session can be established using several protocols:
 - SSL 2.0 (obsolete)
 - SSL 3.0
 - TLS 1.0
 - TLS 1.1
 - TLS 1.2

An attacker can downgrade the version to SSLv3. However, with SSL 3.0, an attacker can change the padding position with a CBC encryption, in order to progressively guess clear text fragments.

This vulnerability is named POODLE (Padding Oracle On Downgraded Legacy Encryption).

An attacker, located as a Man-in-the-Middle, can therefore decrypt a SSL 3.0 session, in order to obtain sensitive information.
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