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.
Metrics
CVSS 3.1 8.1/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| — | — | >= 8.5p1, <= 9.7p1 |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — |
| Red Hat | Red Hat OpenShift Container Platform 4.13 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.14 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.15 | — |
| Red Hat | Red Hat OpenShift Container Platform 4.16 | — |
| Red Hat | Red Hat Ceph Storage 5 | — |
| Red Hat | Red Hat Ceph Storage 6 | — |
| Red Hat | Red Hat Ceph Storage 7 | — |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat OpenShift Container Platform 4 | — |
| Siemens | Industrial Edge Management OS (IEM-OS) | < * |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.5, < * |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.5, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.5, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.5, < * |
| Siemens | SINAMICS IIoT module | < V1.0 HF1 |
| Siemens | SINEMA Remote Connect Server | < V3.2 SP2 |
| Siemens | SINUMERIK ONE | < V6.24 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.5, < * |
References
- https://access.redhat.com/errata/RHSA-2024:4312Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4340Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4389Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4469Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4474Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4479Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4484Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2024-6387Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2294604Third Party Advisory
- https://santandersecurityresearch.github.io/blog/sshing_the_masses.htmlExploit, Third Party Advisory
- https://www.openssh.com/txt/release-9.8Release Notes, Third Party Advisory
- https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txtExploit, Third Party Advisory
- http://seclists.org/fulldisclosure/2024/Jul/18Mailing List
- http://seclists.org/fulldisclosure/2024/Jul/19Mailing List
- http://seclists.org/fulldisclosure/2024/Jul/20Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/01/12Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/01/13Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/02/1Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/03/1Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/03/11Exploit, Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/03/2Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/03/3Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2024/07/03/4Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/03/5Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/04/1Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/04/2Exploit, Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/08/2Exploit, Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/08/3Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/09/2Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/09/5Exploit, Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/10/1Exploit, Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/10/2Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/10/3Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/10/4Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/10/6Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/11/1Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/11/3Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/23/4Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/23/6Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/28/2Mailing List
- http://www.openwall.com/lists/oss-security/2024/07/28/3Mailing List
- https://access.redhat.com/errata/RHSA-2024:4312Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4340Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4389Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4469Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4474Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4479Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:4484Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2024-6387Third Party Advisory
- https://archlinux.org/news/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-98p1/Third Party Advisory
- https://arstechnica.com/security/2024/07/regresshion-vulnerability-in-openssh-gives-attackers-root-on-linux/Press/Media Coverage, Third Party Advisory
- https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-serverPress/Media Coverage, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2294604Third Party Advisory
- https://explore.alas.aws.amazon.com/CVE-2024-6387.htmlThird Party Advisory
- https://forum.vmssoftware.com/viewtopic.php?f=8&t=9132Issue Tracking
- https://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2024-002.txt.ascRelease Notes
- https://github.com/AlmaLinux/updates/issues/629Issue Tracking
- https://github.com/Azure/AKS/issues/4379Issue Tracking
- https://github.com/PowerShell/Win32-OpenSSH/discussions/2248Issue Tracking
- https://github.com/PowerShell/Win32-OpenSSH/issues/2249Issue Tracking
Timeline
- Published
- Jul 1, 2024
- Last modified
- Nov 6, 2026
- NVD status
- Modified