Stack-based buffer overflow in FreeRADIUS
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-3547 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FreeRADIUS Server applications / Directory software, identity management |
| Vendor | FreeRADIUS Server Project |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU32753
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-3547
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe 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.
MitigationUpdate to version 2.2.0.
Vulnerable software versionsFreeRADIUS: 2.1.10 - 2.1.12
External linkshttp://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
http://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.
