QID 38888

Date Published: 2023-02-03

QID 38888: OpenSSH server 9.1 'sshd(8)' Double-Free Vulnerability

Open SSH 9.1 have a pre-authentication double-free memory fault. It occurs in the unprivileged pre-auth process that is subject to chroot(2).

Affected Versions:
OpenSSH Version 9.1

QID Detection Logic (Unauthenticated):
This QID detects the vulnerable Openssh based on SSH banner.

This vulnerability can be triggered in the default configuration of the OpenSSH server (sshd).

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 6.4 severity.

Solution

This has been fixed in OpenSSH 9.2 and can be referred under OpenSSH 9.2

Vendor References

OpenSSH 9.1 Double free - www.openssh.com/releasenotes.html#9.2

CVEs related to QID 38888

CVE-2023-25136 |

Software Advisories

Advisory ID	Software	Component	Link
OpenSSH 9.2/9.2p1			www.openssh.com/releasenotes.html#9.2

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