[ GLSA 200411-02 ] Cherokee: Format string vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: Cherokee: Format string vulnerability (GLSA 200411-02)
Severity: high
Exploitable: remote
Date: November 01, 2004
Updated: May 22, 2006
Bug(s): #67667
ID: 200411-02

Synopsis

Cherokee contains a format string vulnerability that could lead to denial of service or the execution of arbitary code.

Background

Cherokee is an extra-light web server.

Affected Packages

Package: www-servers/cherokee
Vulnerable: <= 0.4.17
Unaffected: >= 0.4.17.1
Architectures: All supported architectures


Description

Florian Schilhabel from the Gentoo Linux Security Audit Team found a format string vulnerability in the cherokee_logger_ncsa_write_string() function.

Impact

Using a specially crafted URL when authenticating via auth_pam, a malicious user may be able to crash the server or execute arbitrary code on the target machine with permissions of the user running Cherokee.

Workaround

There is no known workaround at this time.

Resolution

All Cherokee users should upgrade to the latest version: