NULL pointer dereference in Fedora - CVE-2016-5391
Published: June 13, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38872
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2016-5391
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fedoraproject
Affected software:
Fedora
Fedora
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
libreswan before 3.18 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto daemon restart).
How to mitigate CVE-2016-5391
Install update from vendor's website.
Sources
- https://bugzilla.redhat.com/show_bug.cgi?id=1356183
- https://libreswan.org/security/CVE-2016-5391/CVE-2016-5391.txt
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65R6OA5AY7K2UBQUDOLOS5Y3SCULQI6I/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKMS7R4TG6LTAGEBOWVUXF6LAWQXLNXV/