GProFTPD: gprostats format string vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200502-26 / GProFTPD
Release Date	February 18, 2005
Latest Revision	May 22, 2006: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-ftp/gproftpd	< 8.1.9	>= 8.1.9	All supported architectures

Related bugreports: #81894

Synopsis

gprostats, distributed with GProFTPD, is vulnerable to a format string vulnerability, potentially leading to the execution of arbitrary code.

2. Impact Information

Background

GProFTPD is a GTK+ administration tool for the ProFTPD server. GProFTPD is distributed with gprostats, a utility to parse ProFTPD transfer logs.

Description

Tavis Ormandy of the Gentoo Linux Security Audit Team has identified a format string vulnerability in the gprostats utility.

Impact

An attacker could exploit the vulnerability by performing a specially crafted FTP transfer, the resulting ProFTPD transfer log could potentially trigger the execution of arbitrary code when parsed by GProFTPD.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All GProFTPD users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/gproftpd-8.1.9"

4. References

CVE-2005-0484

Page updated February 18, 2005

Summary: This is a Gentoo Linux Security Advisory

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