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Date: Tue, 11 Sep 2012 20:38:27 +0200
From: Nico Golde <>
Subject: [SECURITY] [DSA 2546-1] freeradius security update

Hash: SHA1

- -------------------------------------------------------------------------
Debian Security Advisory DSA-2546-1                                         Nico Golde
September 11, 2012           
- -------------------------------------------------------------------------

Package        : freeradius
Vulnerability  : stack-based buffer overflows
Problem type   : remote
Debian-specific: no
Debian bug     : 687175
CVE ID         : CVE-2012-3547

Timo Warns discovered that the EAP-TLS handling of freeradius, a
high-performance and highly configurable RADIUS server, is not properly
performing length checks on user-supplied input before copying to a local
stack buffer.  As a result, an unauthenticated attacker can exploit this
flaw to crash the daemon or execute arbitrary code via crafted

For the stable distribution (squeeze), this problem has been fixed in
version 2.1.10+dfsg-2+squeeze1.

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

For the unstable distribution (sid), this problem has been fixed in
version 2.1.12+dfsg-1.1.

We recommend that you upgrade your freeradius packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:

Mailing list:

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