Race condition in OpenSSL - CVE-2015-3196

Vulnerability identifier: #VU77556

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-3196

CWE-ID: CWE-362

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the ssl/s3_clnt.c in OpenSSL when used for a multi-threaded client. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system via a crafted ServerKeyExchange message.

OpenSSL
Fedora
Slackware Linux
SnapDrive for Unix
SnapDrive for Windows
Integrated Management Module II (IMM2)
openssl
openssl-solibs
openssl101e
IBM BladeCenter Advanced Management Module
IBM Cloud Pak for Business Automation
FOS Firmware

Install updates from vendor's website.

OpenSSL - addressed in versions 1.0.0t, 1.0.1p, 1.0.2d
SnapDrive for Unix - update to 5.3.1
SnapDrive for Windows - update to 7.1.4
openssl - addressed in versions 0.9.8zh, 1.0.1q
openssl-solibs - addressed in versions 0.9.8zh, 1.0.1q
Integrated Management Module II (IMM2) - update to 1aoo72h-5.60
openssl101e - update to 1.0.1e-5.el5
openssl - update to 1.0.1k-13.fc22
IBM BladeCenter Advanced Management Module - update to 3.66u
FOS Firmware - update to 7.4.1c
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3-IF037, 24.0.0-IF003

• http://openssl.org/news/secadv/20151203.txt
• https://git.openssl.org/?p=openssl.git;a=commit;h=3c66a669dfc7b3792f7af0758ea26fe8502ce70c
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100
• http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
• http://marc.info/?l=bugtraq&m=145382583417444&w=2
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944173
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
• http://www.securityfocus.com/bid/78622
• http://fortiguard.com/advisory/openssl-advisory-december-2015
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
• http://rhn.redhat.com/errata/RHSA-2015-2617.html
• http://www.fortiguard.com/advisory/openssl-advisory-december-2015
• http://www.ubuntu.com/usn/USN-2830-1
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
• http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173801.html
• http://www.debian.org/security/2015/dsa-3413
• http://lists.opensuse.org/opensuse-updates/2015-12/msg00070.html
• http://lists.opensuse.org/opensuse-updates/2015-12/msg00071.html
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
• http://www.securitytracker.com/id/1034294
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://rhn.redhat.com/errata/RHSA-2016-2957.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

• Multiple vulnerabilities in N series Products
• Multiple vulnerabilities in IBM b-type SAN switches and directors
• Multiple vulnerabilities in IBM BladeCenter Advanced Management Module (AMM)
• Multiple vulnerabilities in IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter systems
• Slackware Linux update for openssl
• Fedora 22 update for openssl
• Fedora EPEL 5 update for openssl101e
• Multiple vulnerabilities in IBM Cloud Pak for Business Automation