Use-after-free error in NetBSD - #VU12424

 

Use-after-free error in NetBSD - #VU12424

Published: May 8, 2018 / Updated: May 10, 2018


Vulnerability identifier: #VU12424
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-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: NetBSD Foundation, Inc
Affected software:
NetBSD

Detailed vulnerability description

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

The weakness exists in the AH entry point due to a length check was missing. A remote attacker can send specially crafted IPsec Authentication Header (AH) data, trigger input validation or use-after-free error and cause the service to crash.

Remediation

Install update from vendor's website.

Sources