#VU67906 Double Free in OpenSSH 

 

#VU67906 Double Free in OpenSSH

Published: October 4, 2022


Vulnerability identifier: #VU67906
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSH
Software vendor:
OpenSSH

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ssh-keysign(8) when reading files. A remote attacker can trick the victim into using a specially crafted file to trigger a double free error and crash the application.


Remediation

Install updates from vendor's website.

External links