CVE-2024-6387
CVE-2024-6387 · Openssh: regresshion - race condition in ssh allows rce/dos
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
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.
CVSS 8.1 · High · EPSS 99.5% · Public exploit · Fix available
- Published
- Updated
Affected products and versions
red hat enterprise linux 9
- Versions
- ≥ 0:8.7p1-38.el9_4.1: Not affected (rpm)
No fix published
red hat enterprise linux 9.0 update services for sap solutions
- Versions
- ≥ 0:8.7p1-12.el9_0.1: Not affected (rpm)
No fix published
red hat enterprise linux 9.2 extended update support
- Versions
- ≥ 0:8.7p1-30.el9_2.4: Not affected (rpm)
No fix published
red hat openshift container platform 4.13
- Versions
- ≥ 413.92.202407091321-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.14
- Versions
- ≥ 414.92.202407091253-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.15
- Versions
- ≥ 415.92.202407091355-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.16
- Versions
- ≥ 416.94.202407081958-0: Not affected (rpm)
No fix published
red hat ceph storage 5
No fix published
red hat ceph storage 6
No fix published
red hat ceph storage 7
No fix published
red hat enterprise linux 10
No fix published
red hat enterprise linux 6
No fix published
red hat enterprise linux 7
No fix published
red hat enterprise linux 8
No fix published
red hat openshift container platform 4
No fix published
openssh Debian:12
- Versions
- 1:9.2p1-2
- 1:9.2p1-2+deb12u1
- 1:9.2p1-2+deb12u2
- Affected ranges
- ECOSYSTEM: < 1:9.2p1-2+deb12u3
Update to 1:9.2p1-2+deb12u3
openssh Debian:13
- Affected ranges
- ECOSYSTEM: < 1:9.7p1-7
Update to 1:9.7p1-7
openssh Debian:14
- Affected ranges
- ECOSYSTEM: < 1:9.7p1-7
Update to 1:9.7p1-7
openssh Ubuntu:22.04:LTS
- Versions
- 1:8.4p1-6ubuntu2
- 1:8.7p1-2
- 1:8.7p1-2build1
- 1:8.7p1-4
- 1:8.8p1-1
- 1:8.9p1-3
- 1:8.9p1-3ubuntu0.1
- 1:8.9p1-3ubuntu0.3
- 1:8.9p1-3ubuntu0.4
- 1:8.9p1-3ubuntu0.5
- 1:8.9p1-3ubuntu0.6
- 1:8.9p1-3ubuntu0.7
- Affected ranges
- ECOSYSTEM: < 1:8.9p1-3ubuntu0.10
Update to 1:8.9p1-3ubuntu0.10
openssh Ubuntu:24.04:LTS
- Versions
- 1:9.3p1-1ubuntu3
- 1:9.4p1-1ubuntu1
- 1:9.6p1-3ubuntu1
- 1:9.6p1-3ubuntu2
- 1:9.6p1-3ubuntu11
- 1:9.6p1-3ubuntu12
- 1:9.6p1-3ubuntu13
- Affected ranges
- ECOSYSTEM: < 1:9.6p1-3ubuntu13.3
Update to 1:9.6p1-3ubuntu13.3
Original sources
- https://access.redhat.com/errata/RHSA-2024:4312
- https://access.redhat.com/errata/RHSA-2024:4340
- https://access.redhat.com/errata/RHSA-2024:4389
- https://access.redhat.com/errata/RHSA-2024:4469
- https://access.redhat.com/errata/RHSA-2024:4474
- https://access.redhat.com/errata/RHSA-2024:4479
- https://access.redhat.com/errata/RHSA-2024:4484
- https://access.redhat.com/security/cve/CVE-2024-6387
- https://bugzilla.redhat.com/show_bug.cgi?id=2294604
- https://santandersecurityresearch.github.io/blog/sshing_the_masses.html
- https://www.openssh.com/txt/release-9.8
- https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt
- https://www.vicarius.io/vsociety/posts/regresshion-an-openssh-regression-error-cve-2024-6387
- https://www.exploit-db.com/exploits/52269
- https://packetstorm.news/files/id/190587/
- http://www.openwall.com/lists/oss-security/2024/07/01/12
- http://www.openwall.com/lists/oss-security/2024/07/01/13
- http://www.openwall.com/lists/oss-security/2024/07/02/1
- http://www.openwall.com/lists/oss-security/2024/07/03/1
- http://www.openwall.com/lists/oss-security/2024/07/03/11
- http://www.openwall.com/lists/oss-security/2024/07/03/2
- http://www.openwall.com/lists/oss-security/2024/07/03/3
- http://www.openwall.com/lists/oss-security/2024/07/03/4
- https://nvd.nist.gov/vuln/detail/CVE-2024-6387