libapache2-mod-authnz-external - SQL injection

It was discovered that libapache2-mod-authnz-external, an apache
authentication module, is prone to an SQL injection via the $user
parameter.

For the stable distribution (squeeze), this problem has been fixed in
version 3.2.4-2+squeeze1.

The oldstable distribution (lenny) does not contain
libapache2-mod-authnz-external.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 3.2.4-2.1.

We recommend that you upgrade your libapache2-mod-authnz-external packages.