Improper input validation in OpenBSD - #VU10424

 

Improper input validation in OpenBSD - #VU10424

Published: February 8, 2018


Vulnerability identifier: #VU10424
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: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD

Detailed vulnerability description

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

The weakness exists due to improper input validation. A remote attacker can supply specially crafted IPsec AH packets with IP options or IPv6 extension and cause the kernel to crash or hang.

Remediation

Install update from vendor's website.

Sources