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National Cyber Awareness System

Vulnerability Summary for CVE-2011-0522

Original release date:02/07/2011
Last revised:09/22/2011
Source: US-CERT/NIST

Overview

The StripTags function in (1) the USF decoder (modules/codec/subtitles/subsdec.c) and (2) the Text decoder (modules/codec/subtitles/subsusf.c) in VideoLAN VLC Media Player 1.1 before 1.1.6-rc allows remote attackers to execute arbitrary code via a subtitle with an opening "<" without a closing ">" in an MKV file, which triggers heap memory corruption, as demonstrated using refined-australia-blu720p-sample.mkv.

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; Victim must voluntarily interact with attack mechanism
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: MLIST
Name: [oss-security] 20110125 Re: CVE Request: VLC Subtitle StripTags heap corruption
Type: Patch Information
Hyperlink:http://www.openwall.com/lists/oss-security/2011/01/25/9
External Source: MLIST
Name: [oss-security] 20110125 CVE Request: VLC Subtitle StripTags heap corruption
Type: Patch Information
Hyperlink:http://www.openwall.com/lists/oss-security/2011/01/25/7
External Source: MLIST
Name: [vlc-devel] 20110116 Security: Subtitle StripTags heap corruption, potentially exploitable. Patch included
Type: Patch Information
Hyperlink:http://mailman.videolan.org/pipermail/vlc-devel/2011-January/078607.html
External Source: CONFIRM
Name: http://git.videolan.org/gitweb.cgi?p=vlc/vlc-1.1.git;a=tag;h=bb16813ddb61a53113c71bccc525559405785452
Type: Patch Information
Hyperlink:http://git.videolan.org/gitweb.cgi?p=vlc/vlc-1.1.git;a=tag;h=bb16813ddb61a53113c71bccc525559405785452
External Source: XF
Name: vlcmediaplayer-usf-bo(65029)
Hyperlink:http://xforce.iss.net/xforce/xfdb/65029
External Source: VUPEN
Name: ADV-2011-0225
Type: Advisory
Hyperlink:http://www.vupen.com/english/advisories/2011/0225
External Source: BID
Name: 46008
Hyperlink:http://www.securityfocus.com/bid/46008
External Source: EXPLOIT-DB
Name: 16108
Hyperlink:http://www.exploit-db.com/exploits/16108
External Source: SREASON
Name: 8064
Hyperlink:http://securityreason.com/securityalert/8064
External Source: OVAL
Name: oval:org.mitre.oval:def:12414
Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12414
External Source: MLIST
Name: [vlc-devel] 20110117 Security: Subtitle StripTags heap corruption, potentially exploitable. Patch included
Hyperlink:http://mailman.videolan.org/pipermail/vlc-devel/2011-January/078614.html

References to Check Content

Identifier:oval:org.mitre.oval:def:12414
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12414

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.4
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.5
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.0
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.1
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.2
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.3
spacerspacerNav control image* cpe:/a:videolan:vlc_media_player:1.1.6
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0522