Midnight Commander: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200502-24 / mc
Release Date	February 17, 2005
Latest Revision	February 17, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-misc/mc	< 4.6.0-r13	>= 4.6.0-r13	All supported architectures

Related bugreports: #77992

Synopsis

Midnight Commander contains several format string errors, buffer overflows and one buffer underflow leading to execution of arbitrary code.

2. Impact Information

Background

Midnight Commander is a visual console file manager.

Description

Midnight Commander contains several format string vulnerabilities (CAN-2004-1004), buffer overflows (CAN-2004-1005), a memory deallocation error (CAN-2004-1092) and a buffer underflow (CAN-2004-1176).

Impact

An attacker could exploit these vulnerabilities to execute arbitrary code with the permissions of the user running Midnight Commander or cause Denial of Service by freeing unallocated memory.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Midnight Commander users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-misc/mc-4.6.0-r13"

4. References

Page updated February 17, 2005

Summary: This is a Gentoo Linux Security Advisory

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