Use-after-free error in FreeBSD - CVE-2018-6916

 

Use-after-free error in FreeBSD - CVE-2018-6916

Published: March 9, 2018


Vulnerability identifier: #VU10889
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-2018-6916
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to use-after-free memory error in the IPsec Authentication Header (AH). A remote attacker on a trusted host can send a specially crafted IP packet, trigger memory corruption and cause kernel panic.

Affected software

FreeBSD

How to mitigate CVE-2018-6916

Install update from vendor's website.


External References

Related Security Bulletins