CVE-2013-6449
MEDIUM severity · CVSS 4.3 · CWE-310
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)47%
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ca989269a2876bae79393bd54c3e72d49975fc75
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124833.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124854.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124858.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00006.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00009.html