Stack-based buffer overflow in FreeRADIUS - CVE-2012-3547

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long "not after" timestamp in a client certificate. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2012-3547

External References

• http://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
• http://freeradius.org/security.html
• http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html
• http://osvdb.org/85325
• http://rhn.redhat.com/errata/RHSA-2012-1326.html
• http://rhn.redhat.com/errata/RHSA-2012-1327.html
• http://secunia.com/advisories/50484
• http://secunia.com/advisories/50584
• http://secunia.com/advisories/50637
• http://secunia.com/advisories/50770
• http://www.debian.org/security/2012/dsa-2546
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:159
• http://www.openwall.com/lists/oss-security/2012/09/10/2
• http://www.pre-cert.de/advisories/PRE-SA-2012-06.txt
• http://www.securityfocus.com/bid/55483
• http://www.securitytracker.com/id?1027509
• http://www.ubuntu.com/usn/USN-1585-1
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78408

Related Security Bulletins

• Stack-based buffer overflow in FreeRADIUS
• Stack-based buffer overflow in freeradius (Alpine package)
• Amazon Linux AMI update for freeradius