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VDR: Arbitrary file overwriting issue


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


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

2.  Impact Information


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.


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


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

3.  Resolution Information


There is no known workaround at this time.


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


Page updated January 30, 2005

Summary: This is a Gentoo Linux Security Advisory

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