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Last updated: 9/18/2014 9:42:27 AM

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Vulnerability Summary for CVE-2013-3245

Original release date: 07/10/2013
Last revised: 07/11/2013
Source: US-CERT/NIST

Overview

** DISPUTED ** plugins/demux/libmkv_plugin.dll in VideoLAN VLC Media Player 2.0.7, and possibly other versions, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MKV file, possibly involving an integer overflow and out-of-bounds read or heap-based buffer overflow, or an uncaught exception. NOTE: the vendor disputes the severity and claimed vulnerability type of this issue, stating "This PoC crashes VLC, indeed, but does nothing more... this is not an integer overflow error, but an uncaught exception and I doubt that it is exploitable. This uncaught exception makes VLC abort, not execute random code, on my Linux 64bits machine." A PoC posted by the original researcher shows signs of an attacker-controlled out-of-bounds read, but the affected instruction does not involve a register that directly influences control flow.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: FULLDISC
Name: 20130710 VLC media player MKV Parsing POC
External Source: MISC
Name: http://secunia.com/blog/372/
Type: Advisory
External Source: FULLDISC
Name: 20130710 Re: VLC media player MKV Parsing POC
External Source: SECUNIA
Name: 52956
Type: Advisory
External Source: MISC
Name: http://www.jbkempf.com/blog/post/2013/More-lies-from-Secunia
External Source: BID
Name: 61032
External Source: FULLDISC
Name: 20130710 Re: VLC media player MKV Parsing POC

Technical Details

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