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Last updated: 4/20/2014

CVE Publication rate: 19.73

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-6450

Original release date: 01/01/2014
Last revised: 02/21/2014
Source: US-CERT/NIST

Overview

The DTLS retransmission implementation in OpenSSL 1.0.0 before 1.0.0l and 1.0.1 before 1.0.1f does not properly maintain data structures for digest and encryption contexts, which might allow man-in-the-middle attackers to trigger the use of a different context and cause a denial of service (application crash) by interfering with packet delivery, related to ssl/d1_both.c and ssl/t1_enc.c.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 (MEDIUM) (AV:N/AC:M/AU:N/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service

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External Source: SUSE
Name: openSUSE-SU-2014:0048
External Source: REDHAT
Name: RHSA-2014:0015
External Source: SUSE
Name: openSUSE-SU-2014:0049
External Source: SECTRACK
Name: 1029549
External Source: UBUNTU
Name: USN-2079-1
External Source: CONFIRM
Name: http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=34628967f1e65dc8f34e000f0f5518e21afbfc7b
Type: Patch Information
External Source: CONFIRM
Name: http://www.openssl.org/news/vulnerabilities.html
External Source: DEBIAN
Name: DSA-2833
External Source: CONFIRM
Name: https://security-tracker.debian.org/tracker/CVE-2013-6450

Technical Details

Vulnerability Type (View All)