[ GLSA 200809-05 ] Courier Authentication Library: SQL injection vulnerability

[GLSA]

Gentoo Linux Security Advisory

Title: Courier Authentication Library: SQL injection vulnerability (GLSA 200809-05)
Severity: normal
Exploitable: remote
Date: September 05, 2008
Bug(s): #225407
ID: 200809-05

Synopsis


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


Background


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


Affected Packages

Package: net-libs/courier-authlib
Vulnerable: < 0.60.6
Unaffected: >= 0.60.6
Architectures: All supported architectures


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.


Workaround


There is no known workaround at this time.


Resolution


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