Vulnerability Description
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | <= 1.0.1e |
Related Weaknesses (CWE)
References
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ca989269a2876bae7939
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124833.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124854.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124858.h
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.htm
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00006.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00009.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00012.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00031.html
- http://rhn.redhat.com/errata/RHSA-2014-0015.html
- http://rhn.redhat.com/errata/RHSA-2014-0041.html
- http://rt.openssl.org/Ticket/Display.html?id=3200&user=guest&pass=guest
- http://seclists.org/fulldisclosure/2014/Dec/23
- http://security.gentoo.org/glsa/glsa-201412-39.xml
FAQ
What is CVE-2013-6449?
CVE-2013-6449 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (d...
How severe is CVE-2013-6449?
CVE-2013-6449 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-6449?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.