Use-after-free error in FreeBSD - CVE-2018-6916
Published: March 9, 2018
Vulnerability identifier: #VU10889
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-2018-6916
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
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.
How to mitigate CVE-2018-6916
Install update from vendor's website.