Stack-based buffer overflow in FreeRADIUS

1) Stack-based buffer overflow

EUVDB-ID: #VU32753

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: CVE-2012-3547

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:freeradius_server_project:freeradius:2.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:freeradius_server_project:freeradius: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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.