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Debian Security Advisory DSA-2546-1                   security@debian.org
http://www.debian.org/security/                                Nico Golde
September 11, 2012                     http://www.debian.org/security/faq
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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
certificates.

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: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org