VLC Media Player udp:// format string

vlcmediaplayer-udp-format-string (31226) The risk level is classified as HighHigh Risk

Description:

VLC Media Player could allow a remote attacker to execute arbitrary commands on the system, caused by a format string vulnerability in the handling of the udp:// URL handler. By persuading a victim to follow a specially-crafted udp:// URL containing format string specifiers, a remote attacker could execute arbitrary commands on the system with the privileges of the victim.

Platforms Affected:

  • Debian, Debian Linux 3.1
  • Gentoo, Linux
  • Novell, OpenSUSE 10.2
  • SuSE, SLE SDK 10
  • SuSE, SuSE Linux 10.0
  • SuSE, SuSE Linux 10.1
  • SuSE, SuSE Linux 9.3
  • SuSE, SuSE SLED 10
  • SuSE, SuSE SLES 9
  • VideoLAN, VLC 0.8.6

Remedy:

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200701-24 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux:
Refer to DSA-1252-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux (xine):
Refer to SUSE-SA:2007:013 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact vendor for upgrade or patch information.

Consequences:

Gain Access

References:

  • MOAB-02-01-2007, VLC Media Player udp:// Format String Vulnerability at http://projects.info-pull.com/moab/MOAB-02-01-2007.html.
  • VLC Media Player Web site, VideoLAN - Free Software and Open Source video streaming solution for every OS! at http://www.videolan.org/.
  • BID-21852: VideoLan VLC Media Player Remote Format String Vulnerability
  • CVE-2007-0017: Multiple format string vulnerabilities in (1) the cdio_log_handler function in modules/access/cdda/access.c in the CDDA (libcdda_plugin) plugin, and the (2) cdio_log_handler and (3) vcd_log_handler functions in modules/access/vcdx/access.c in the VCDX (libvcdx_plugin) plugin, in VideoLAN VLC 0.7.0 through 0.8.6 allow user-assisted remote attackers to execute arbitrary code via format string specifiers in an invalid URI, as demonstrated by a udp://-- URI in an M3U file.
  • DSA-1252: vlc -- format string
  • FrSIRT/ADV-2007-0026: VideoLAN VLC cdio_log_handler() and vcd_log_handler() Format String Vulnerabilities
  • GLSA-200701-24: VLC media player: Format string vulnerability
  • SA23592: VLC Media Player "udp://" URI Handling Format String Vulnerability
  • SECTRACK ID: 1017464: VLC Media Player udp:// URL Handler Format String Bug Lets Remote Users Execute Arbitrary Code
  • SUSE-SA:2007:013: xine format string problems

Reported:

Jan 02, 2007

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