Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2012.0864
freeradius security update
12 September 2012
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AusCERT Security Bulletin Summary
---------------------------------
Product: freeradius
Publisher: Debian
Operating System: Debian GNU/Linux 6
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2012-3547
Original Bulletin:
http://www.debian.org/security/2012/dsa-2546
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running freeradius check for an updated version of the software for
their operating system.
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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
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