#VU32753 Stack-based buffer overflow in FreeRADIUS - CVE-2012-3547
Vulnerability identifier: #VU32753
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-121
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FreeRADIUS
Server applications /
Directory software, identity management
Vendor: FreeRADIUS Server Project
Description
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.
Mitigation
Update to version 2.2.0.
Vulnerable software versions
FreeRADIUS: 2.1.10 - 2.1.12
External links
https://archives.neohapsis.com/archives/bugtraq/2012-09/0043.html
https://freeradius.org/security.html
https://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-October/090171.html
https://lists.opensuse.org/opensuse-security-announce/2012-09/msg00023.html
https://osvdb.org/85325
https://rhn.redhat.com/errata/RHSA-2012-1326.html
https://rhn.redhat.com/errata/RHSA-2012-1327.html
https://secunia.com/advisories/50484
https://secunia.com/advisories/50584
https://secunia.com/advisories/50637
https://secunia.com/advisories/50770
https://www.debian.org/security/2012/dsa-2546
https://www.mandriva.com/security/advisories?name=MDVSA-2012:159
https://www.openwall.com/lists/oss-security/2012/09/10/2
https://www.pre-cert.de/advisories/PRE-SA-2012-06.txt
https://www.securityfocus.com/bid/55483
https://www.securitytracker.com/id?1027509
https://www.ubuntu.com/usn/USN-1585-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/78408
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
