Double Free in OpenSSH - #VU67906
Published: October 4, 2022
Vulnerability identifier: #VU67906
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: N/A
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
OpenSSH
Remediation
Install updates from vendor's website.
OpenSSH - update to 9.1p1