SB2016041802 - Input validation error in libreswan
Published: April 18, 2016 Updated: August 9, 2020
Security Bulletin ID
SB2016041802
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2016-3071)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Green
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.
Remediation
Install update from vendor's website.
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