Description

A signal handler race condition in OpenSSH's server (sshd) allows unauthenticated remote code execution (RCE) as root on glibc-based Linux systems. This vulnerability affects sshd in its default configuration and is a regression of the previously patched vulnerability CVE-2006-5051.

Remediation

Upgrade OpenSSH to the latest version. This issue was fixed in OpenSSH version 9.8/9.8p1.

References

regreSSHion: Remote Unauthenticated Code Execution Vulnerability in OpenSSH server

OpenSSH patch

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Severity

High

Classification

CVE-2024-6387 CWE-362 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Tags

Code Execution Known Vulnerabilities