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VDR: Arbitrary file overwriting issue

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200501-42 / VDR
Release Date January 30, 2005
Latest Revision January 30, 2005: 01
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
media-video/vdr < 1.2.6-r1 >= 1.2.6-r1 All supported architectures

Related bugreports: #78230

Synopsis

VDR insecurely accesses files with elevated privileges, which may result in the overwriting of arbitrary files.

2.  Impact Information

Background

Video Disk Recorder (VDR) is a Linux-based digital video recorder. The VDR program handles the On Screen Menu system that offers complete control over channel settings, timers and recordings.

Description

Javier Fernandez-Sanguino Pena from the Debian Security Audit Team discovered that VDR accesses user-controlled files insecurely.

Impact

A local attacker could create malicious links and invoke a VDR recording that would overwrite arbitrary files on the system.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All VDR users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-video/vdr-1.2.6-r1"

4.  References



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Page updated January 30, 2005

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