#VU42179 Input validation error in libreswan - CVE-2013-4564
Published: January 7, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU42179
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-4564
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libreswan
libreswan
Software vendor:
libreswan.org
libreswan.org
Description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Libreswan 3.6 allows remote attackers to cause a denial of service (crash) via a small length value and (1) no version or (2) an invalid major number in an IKE packet.
Remediation
Install update from vendor's website.
External links
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124911.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124928.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124943.html
- http://secunia.com/advisories/56276
- https://libreswan.org/security/CVE-2013-4564/CVE-2013-4564.txt.asc
- https://lists.libreswan.org/pipermail/swan-announce/2013/000007.html