Credentials management in OpenSSH - CVE-2023-28531
Published: March 17, 2023
Vulnerability identifier: #VU73775
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-28531
CWE-ID: CWE-255
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSSH
OpenSSH
Software vendor:
OpenSSH
OpenSSH
Description
The vulnerability allows a remote user to bypass implemented security restrictions.
the vulnerability exists due to a logic error in ssh-add when adding smartcard keys to ssh-agent with the per-hop destination constraints. As a result, the keys are added without constraints.
Remediation
Install updates from vendor's website.