GLSA-200909-15 : Lynx: Arbitrary command execution

This script is Copyright (C) 2009-2017 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200909-15
(Lynx: Arbitrary command execution)

Clint Ruoho reported that the fix for CVE-2005-2929 (GLSA 200511-09)
only disabled the lynxcgi:// handler when not using the advanced mode.

Impact :

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

Workaround :

There is no known workaround at this time.

See also :


Solution :

All Lynx users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=www-client/lynx-2.8.6-r4'

Risk factor :

Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 40962 (gentoo_GLSA-200909-15.nasl)

Bugtraq ID: 15395

CVE ID: CVE-2005-2929

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