Yelp URI format string

yelp-uri-format-string (44449) The risk level is classified as HighHigh Risk

Description:

Yelp could allow a remote attacker to execute arbitrary code on the system, caused by an error when handling certain URIs. By persuading a victim to open a specially-crafted URI, an attacker could execute arbitrary code on the system.

Platforms Affected:

  • Canonical, Ubuntu 7.10
  • Canonical, Ubuntu 8.04 LTS
  • Gentoo, Linux
  • Gnome, Yelp 2.23.1
  • MandrakeSoft, Mandrake Linux 2008.0
  • MandrakeSoft, Mandrake Linux 2008.0 X86_64
  • MandrakeSoft, Mandrake Linux 2008.1 X86_64
  • MandrakeSoft, Mandrake Linux 2008.1

Remedy:

Refer to Gnome Bugzilla Bug 546364 for patch, upgrade or suggested workaround information. See References.

Consequences:

Gain Access

References:

  • Gnome Bugzilla Bug 546364, yelp format string vulnerabilty at http://bugzilla.gnome.org/show_bug.cgi?id=546364.
  • GNOME Web site, Yelp at http://live.gnome.org/Yelp.
  • BID-30690: Yelp Invalid URI Format String Vulnerability
  • CVE-2008-3533: Format string vulnerability in the window_error function in yelp-window.c in yelp in Gnome after 2.19.90 and before 2.24 allows remote attackers to execute arbitrary code via format string specifiers in an invalid URI on the command line, as demonstrated by use of yelp within (1) man or (2) ghelp URI handlers in Firefox, Evolution, and unspecified other programs.
  • GLSA-200809-01: yelp: User-assisted execution of arbitrary code
  • MDVSA-2008:175: yelp
  • SA31465: Yelp Invalid URI Format String Vulnerability
  • SUSE-SR:2008:024: SUSE Security Summary Report
  • USN-638-1: Yelp vulnerability
  • VUPEN/ADV-2008-2393: Yelp URI Processing Remote Format String Vulnerability

Reported:

Aug 05, 2008

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