Joined: 12 May 2004
|Posted: Sat Sep 12, 2009 8:26 pm Post subject: [ GLSA 200909-15 ] Lynx: Arbitrary command execution
|Gentoo Linux Security Advisory
Title: Lynx: Arbitrary command execution (GLSA 200909-15)
Date: September 12, 2009
An incomplete fix for an issue related to the Lynx URL handler might allow
for the remote execution of arbitrary commands.
Lynx is a fully-featured WWW client for users running
cursor-addressable, character-cell display devices such as vt100
terminals and terminal emulators.
Vulnerable: < 2.8.6-r4
Unaffected: >= 2.8.6-r4
Architectures: All supported architectures
Clint Ruoho reported that the fix for CVE-2005-2929 (GLSA 200511-09)
only disabled the lynxcgi:// handler when not using the advanced mode.
A remote attacker can entice a user to access a malicious HTTP server,
causing Lynx to execute arbitrary commands. NOTE: The advanced mode is
not enabled by default. Successful exploitation requires the
"lynxcgi://" protocol to be registered with lynx on the victim's
There is no known workaround at this time.
All Lynx users should upgrade to the latest version:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/lynx-2.8.6-r4"
Last edited by GLSA on Mon Jun 10, 2013 4:30 am; edited 2 times in total