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Vulnerability Summary for CVE-2012-4463

Original release date:10/10/2012
Last revised:01/30/2013
Source: US-CERT/NIST

Overview

Midnight Commander (mc) 4.8.5 does not properly handle the (1) MC_EXT_SELECTED or (2) MC_EXT_ONLYTAGGED environment variables when multiple files are selected, which allows user-assisted remote attackers to execute arbitrary commands via a crafted file name.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.1 (MEDIUM) (AV:N/AC:H/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: High
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: MISC
Name: https://www.midnight-commander.org/ticket/2913
Hyperlink:https://www.midnight-commander.org/ticket/2913
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=862813
Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=862813
External Source: MISC
Name: https://bugs.gentoo.org/show_bug.cgi?id=436518#c7
Hyperlink:https://bugs.gentoo.org/show_bug.cgi?id=436518#c7
External Source: XF
Name: midnight-commander-code-exec(79033)
Hyperlink:http://xforce.iss.net/xforce/xfdb/79033
External Source: BID
Name: 55777
Hyperlink:http://www.securityfocus.com/bid/55777
External Source: MLIST
Name: [oss-security] 20121003 Re: CVE Request (minor) -- mc: Improper sanitization of MC_EXT_SELECTED variable when viewing multiple files
Hyperlink:http://www.openwall.com/lists/oss-security/2012/10/03/5
External Source: MLIST
Name: [oss-security] 20121003 CVE Request (minor) -- mc: Improper sanitization of MC_EXT_SELECTED variable when viewing multiple files
Hyperlink:http://www.openwall.com/lists/oss-security/2012/10/03/4

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:midnight-commander:midnight_commander:4.8.5
* 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-2012-4463