OpenSSH CVE-2024-6387 Signal Race Condition Vulnerability Advisory

CVE: CVE-2024-6387 Description: A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period. Source: CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) References: DSA-5724-1 Vulnerable and Fixed Packages: Fixed Versions: Notes: [bullseye] - openssh (Vulnerable code introduced later) Introduced with: https://github.com/openssh/openssh-portable/commit/752250caabda3dd24635503c4cd689b32a650794 (V_8_5_P1) Fixed by: https://github.com/openssh/openssh-portable/commit/81c1099d22b81ebfd20a334ce986c4f753b0db29 (V_9_8_P1) https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html https://www.openwall.com/lists/oss-security/2024/07/01/1 https://www.qualys.com/2024/07/01/cve-2024-6387/regresssion.txt

Goal Reached Thanks to every supporter — we hit 100%!

OpenSSH CVE-2024-6387 Signal Race Condition Vulnerability Advisory