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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
OpenSSH
Default version status: unaffected
8.5p1 to ≤ 9.7p1affected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:8.7p1-38.el9_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:8.7p1-38.el9_4.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:8.7p1-12.el9_0.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Default version status: affected
0:8.7p1-30.el9_2.4 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.13
Default version status: affected
413.92.202407091321-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.14
Default version status: affected
414.92.202407091253-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.15
Default version status: affected
415.92.202407091355-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.16
Default version status: affected
416.94.202407081958-0 to < *unaffected
Red Hat Red Hat Ceph Storage 5
Default version status: unaffected
Red Hat Red Hat Ceph Storage 6
Default version status: unaffected
Red Hat Red Hat Ceph Storage 7
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 10
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 7
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: unaffected
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
References
- 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 ↗
- http://www.openwall.com/lists/oss-security/2024/07/03/5 ↗
- http://www.openwall.com/lists/oss-security/2024/07/04/1 ↗
- http://www.openwall.com/lists/oss-security/2024/07/04/2 ↗
- http://www.openwall.com/lists/oss-security/2024/07/08/2 ↗
- http://www.openwall.com/lists/oss-security/2024/07/08/3 ↗
- http://www.openwall.com/lists/oss-security/2024/07/09/2 ↗
- http://www.openwall.com/lists/oss-security/2024/07/09/5 ↗
- http://www.openwall.com/lists/oss-security/2024/07/10/1 ↗
- http://www.openwall.com/lists/oss-security/2024/07/10/2 ↗
- http://www.openwall.com/lists/oss-security/2024/07/10/3 ↗
- http://www.openwall.com/lists/oss-security/2024/07/10/4 ↗
- http://www.openwall.com/lists/oss-security/2024/07/10/6 ↗
- http://www.openwall.com/lists/oss-security/2024/07/11/1 ↗
- http://www.openwall.com/lists/oss-security/2024/07/11/3 ↗
- http://www.openwall.com/lists/oss-security/2024/07/23/4 ↗
- http://www.openwall.com/lists/oss-security/2024/07/23/6 ↗
- http://www.openwall.com/lists/oss-security/2024/07/28/2 ↗
- http://www.openwall.com/lists/oss-security/2024/07/28/3 ↗
- https://archlinux.org/news/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-98p1/ ↗
- https://arstechnica.com/security/2024/07/regresshion-vulnerability-in-openssh-gives-attackers-root-on-linux/ ↗
- https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-server ↗
- https://explore.alas.aws.amazon.com/CVE-2024-6387.html ↗
- https://forum.vmssoftware.com/viewtopic.php?f=8&t=9132 ↗
- https://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2024-002.txt.asc ↗
- https://github.com/AlmaLinux/updates/issues/629 ↗
- https://github.com/Azure/AKS/issues/4379 ↗
- https://github.com/PowerShell/Win32-OpenSSH/discussions/2248 ↗
- https://github.com/PowerShell/Win32-OpenSSH/issues/2249 ↗
- https://github.com/microsoft/azurelinux/issues/9555 ↗
- https://github.com/openela-main/openssh/commit/e1f438970e5a337a17070a637c1b9e19697cad09 ↗
- https://github.com/oracle/oracle-linux/issues/149 ↗
- https://github.com/rapier1/hpn-ssh/issues/87 ↗
- https://github.com/zgzhang/cve-2024-6387-poc ↗
- https://lists.almalinux.org/archives/list/announce@lists.almalinux.org/thread/23BF5BMGFVEVUI2WNVAGMLKT557EU7VY/ ↗
- https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html ↗
- https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.html ↗
- https://news.ycombinator.com/item?id=40843778 ↗
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0010 ↗
- https://security-tracker.debian.org/tracker/CVE-2024-6387 ↗
- https://security.netapp.com/advisory/ntap-20240701-0001/ ↗
- https://sig-security.rocky.page/issues/CVE-2024-6387/ ↗
- https://stackdiary.com/openssh-race-condition-in-sshd-allows-remote-code-execution/ ↗
- https://ubuntu.com/security/CVE-2024-6387 ↗
- https://ubuntu.com/security/notices/USN-6859-1 ↗
- https://www.akamai.com/blog/security-research/2024-openssh-vulnerability-regression-what-to-know-and-do ↗
- https://www.arista.com/en/support/advisories-notices/security-advisory/19904-security-advisory-0100 ↗
- https://www.freebsd.org/security/advisories/FreeBSD-SA-24:04.openssh.asc ↗
- https://www.splunk.com/en_us/blog/security/cve-2024-6387-regresshion-vulnerability.html ↗
- https://www.suse.com/security/cve/CVE-2024-6387.html ↗
- https://www.theregister.com/2024/07/01/regresshion_openssh/ ↗
- https://support.apple.com/kb/HT214119 ↗
- https://support.apple.com/kb/HT214118 ↗
- https://support.apple.com/kb/HT214120 ↗
- http://seclists.org/fulldisclosure/2024/Jul/20 ↗
- http://seclists.org/fulldisclosure/2024/Jul/18 ↗
- http://seclists.org/fulldisclosure/2024/Jul/19 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-446545.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html ↗