SB2012101005 - Input validation error in Midnight Commander
Published: October 10, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012101005
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2012-4463)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2012/10/03/4
- http://www.openwall.com/lists/oss-security/2012/10/03/5
- http://www.securityfocus.com/bid/55777
- https://bugs.gentoo.org/show_bug.cgi?id=436518#c7
- https://bugzilla.redhat.com/show_bug.cgi?id=862813
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79033
- https://www.midnight-commander.org/ticket/2913