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Last updated: 8/1/2014 10:30:07 PM

CVE Publication rate: 17.5

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-6449

Original release date: 12/23/2013
Last revised: 07/24/2014
Source: US-CERT/NIST

Overview

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

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: CONFIRM
Name: http://www-01.ibm.com/support/docview.wss?uid=isg400001841
External Source: SECTRACK
Name: 1029548
External Source: CONFIRM
Name: http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=ca989269a2876bae79393bd54c3e72d49975fc75
Type: Patch Information
External Source: CONFIRM
Name: https://issues.apache.org/jira/browse/TS-2355
External Source: FEDORA
Name: FEDORA-2013-23788
External Source: REDHAT
Name: RHSA-2014:0015
External Source: SUSE
Name: openSUSE-SU-2014:0012
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
External Source: SUSE
Name: openSUSE-SU-2014:0018
External Source: SUSE
Name: openSUSE-SU-2014:0048
External Source: DEBIAN
Name: DSA-2833
External Source: FEDORA
Name: FEDORA-2013-23768
External Source: CONFIRM
Name: http://rt.openssl.org/Ticket/Display.html?id=3200&user=guest&pass=guest
External Source: SUSE
Name: openSUSE-SU-2014:0015
External Source: UBUNTU
Name: USN-2079-1
External Source: CONFIRM
Name: http://www-01.ibm.com/support/docview.wss?uid=isg400001843
External Source: REDHAT
Name: RHSA-2014:0041
External Source: FEDORA
Name: FEDORA-2013-23794
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=1045363
External Source: BID
Name: 64530

Technical Details

Vulnerability Type (View All)