CVE-2015-3196

Description

ssl/s3_clnt.c in OpenSSL 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1p, and 1.0.2 before 1.0.2d, when used for a multi-threaded client, writes the PSK identity hint to an incorrect data structure, which allows remote servers to cause a denial of service (race condition and double free) via a crafted ServerKeyExchange message.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 7.13% Top 10%
Vendor Advisory cisco.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory slackware.com Vendor Advisory marc.info Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory openssl.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2015-3196?
CVE-2015-3196 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3196?
To fix CVE-2015-3196, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3196 being actively exploited in the wild?
It is possible that CVE-2015-3196 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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