Courier Authentication Library: SQL injection vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200809-05 / courier-authlib
Release Date	September 05, 2008
Latest Revision	September 05, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-libs/courier-authlib	< 0.60.6	>= 0.60.6	All supported architectures

Related bugreports: #225407

Synopsis

An SQL injection vulnerability has been discovered in the Courier Authentication Library.

2. Impact Information

Background

The Courier Authentication Library is a generic authentication API that encapsulates the process of validating account passwords.

Description

It has been discovered that some input (e.g. the username) passed to the library are not properly sanitised before being used in SQL queries.

Impact

A remote attacker could provide specially crafted input to the library, possibly resulting in the remote execution of arbitrary SQL commands. NOTE: Exploitation of this vulnerability requires that a MySQL database is used for authentication and that a Non-Latin character set is selected.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Courier Authentication Library users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/courier-authlib-0.60.6"

4. References

CVE-2008-2667

Page updated September 05, 2008

Summary: This is a Gentoo Linux Security Advisory

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