Input validation error in libreswan and Fedora - CVE-2016-3071
Published: April 18, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40342
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-3071
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
Affected software
libreswan
Fedora
libreswan
Fedora
libreswan
How to mitigate CVE-2016-3071
Install update from vendor's website.
libreswan - addressed in versions 3.17-1.fc22, 3.17-1.fc23, 3.17-1.fc24
External References
- http://download.libreswan.org/CHANGES
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html
- http://www.securityfocus.com/bid/87295
- https://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.txt