8.1

CVE-2024-6387

Medienbericht
Exploit

Openssh: regresshion - race condition in ssh allows rce/dos

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sonicwall ≫ Sma 6200 Firmware Version -
   Sonicwall ≫ Sma 6200 Version -
Sonicwall ≫ Sma 7200 Firmware Version -
   Sonicwall ≫ Sma 7200 Version -
Arista ≫ Eos Version >= 4.32.0 <= 4.32.1f
Canonical ≫ Ubuntu Linux Version 23.10
Canonical ≫ Ubuntu Linux Version 24.04 SwEdition lts
Almalinux ≫ Almalinux Version 9.0 Update -
Sonicwall ≫ Sma 6210 Firmware Version -
   Sonicwall ≫ Sma 6210 Version -
Sonicwall ≫ Sma 7210 Firmware Version -
   Sonicwall ≫ Sma 7210 Version -
Sonicwall ≫ Sma 8200v Firmware Version -
   Sonicwall ≫ Sma 8200v Version -
Sonicwall ≫ Sra Ex 7000 Firmware Version -
   Sonicwall ≫ Sra Ex 7000 Version -
Netapp ≫ A1k Firmware Version -
   Netapp ≫ A1k Version -
Netapp ≫ A70 Firmware Version -
   Netapp ≫ A70 Version -
Netapp ≫ A90 Firmware Version -
   Netapp ≫ A90 Version -
Netapp ≫ A700s Firmware Version -
   Netapp ≫ A700s Version -
Netapp ≫ 8300 Firmware Version -
   Netapp ≫ 8300 Version -
Netapp ≫ 8700 Firmware Version -
   Netapp ≫ 8700 Version -
Netapp ≫ A400 Firmware Version -
   Netapp ≫ A400 Version -
Netapp ≫ C400 Firmware Version -
   Netapp ≫ C400 Version -
Netapp ≫ A250 Firmware Version -
   Netapp ≫ A250 Version -
Netapp ≫ 500f Firmware Version -
   Netapp ≫ 500f Version -
Netapp ≫ C250 Firmware Version -
   Netapp ≫ C250 Version -
Netapp ≫ A800 Firmware Version -
   Netapp ≫ A800 Version -
Netapp ≫ C800 Firmware Version -
   Netapp ≫ C800 Version -
Netapp ≫ A900 Firmware Version -
   Netapp ≫ A900 Version -
Netapp ≫ A9500 Firmware Version -
   Netapp ≫ A9500 Version -
Netapp ≫ C190 Firmware Version -
   Netapp ≫ C190 Version -
Netapp ≫ A150 Firmware Version -
   Netapp ≫ A150 Version -
Netapp ≫ A220 Firmware Version -
   Netapp ≫ A220 Version -
Netapp ≫ Fas2720 Firmware Version -
   Netapp ≫ Fas2720 Version -
Netapp ≫ Fas2750 Firmware Version -
   Netapp ≫ Fas2750 Version -
Netapp ≫ Fas2820 Firmware Version -
   Netapp ≫ Fas2820 Version -
Netapp ≫ Bootstrap Os Version -
   Netapp ≫ Hci Compute Node Version -
Apple ≫ macOS Version >= 12.0 < 12.7.6
Apple ≫ macOS Version >= 13.0 < 13.6.8
Apple ≫ macOS Version >= 14.0 < 14.6
Openbsd ≫ Openssh Version < 4.4
Openbsd ≫ Openssh Version >= 8.6 <= 9.8
Openbsd ≫ Openssh Version 4.4 Update -
Openbsd ≫ Openssh Version 8.5 Update p1
Openbsd ≫ Openssh Version 8.6 Update -
Redhat ≫ Enterprise Linux Version 9.0
Redhat ≫ Enterprise Linux Eus Version 9.4
Redhat ≫ Enterprise Linux For Arm 64 Version 9.0_aarch64
Redhat ≫ Enterprise Linux For Arm 64 Eus Version 9.4_aarch64
Suse ≫ Linux Enterprise Micro Version 6.0
Debian ≫ Debian Linux Version 12.0
Canonical ≫ Ubuntu Linux Version 22.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 22.10 SwEdition -
Canonical ≫ Ubuntu Linux Version 23.04 SwEdition lts
Amazon ≫ Amazon Linux Version 2023.0
Netapp ≫ Active Iq Unified Manager Version - SwPlatform vmware_vsphere
Netapp ≫ E-series Santricity Os Controller Version >= 11.0.0 <= 11.70.2
Netapp ≫ Ontap Version 9
Netapp ≫ Ontap Tools Version 9 SwPlatform vmware_vsphere
Netapp ≫ Ontap Tools Version 10 SwPlatform vmware_vsphere
Freebsd ≫ Freebsd Version 13.2 Update -
Freebsd ≫ Freebsd Version 13.2 Update p1
Freebsd ≫ Freebsd Version 13.2 Update p10
Freebsd ≫ Freebsd Version 13.2 Update p11
Freebsd ≫ Freebsd Version 13.2 Update p2
Freebsd ≫ Freebsd Version 13.2 Update p3
Freebsd ≫ Freebsd Version 13.2 Update p4
Freebsd ≫ Freebsd Version 13.2 Update p5
Freebsd ≫ Freebsd Version 13.2 Update p6
Freebsd ≫ Freebsd Version 13.2 Update p7
Freebsd ≫ Freebsd Version 13.2 Update p8
Freebsd ≫ Freebsd Version 13.2 Update p9
Freebsd ≫ Freebsd Version 13.3 Update -
Freebsd ≫ Freebsd Version 13.3 Update p1
Freebsd ≫ Freebsd Version 13.3 Update p2
Freebsd ≫ Freebsd Version 13.3 Update p3
Freebsd ≫ Freebsd Version 14.0 Update -
Freebsd ≫ Freebsd Version 14.0 Update beta5
Freebsd ≫ Freebsd Version 14.0 Update p1
Freebsd ≫ Freebsd Version 14.0 Update p2
Freebsd ≫ Freebsd Version 14.0 Update p3
Freebsd ≫ Freebsd Version 14.0 Update p4
Freebsd ≫ Freebsd Version 14.0 Update p5
Freebsd ≫ Freebsd Version 14.0 Update p6
Freebsd ≫ Freebsd Version 14.0 Update p7
Freebsd ≫ Freebsd Version 14.0 Update rc3
Freebsd ≫ Freebsd Version 14.0 Update rc4-p1
Freebsd ≫ Freebsd Version 14.1 Update -
Freebsd ≫ Freebsd Version 14.1 Update p1
Netbsd ≫ Netbsd Version <= 10.0.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 99.51% 0.999
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.1 2.2 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
RedHat 8.1 2.2 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CWE-364 Signal Handler Race Condition

The product uses a signal handler that introduces a race condition.

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VulnDex Intel
Media Report
17.08.2026 13:01
http://www.openwall.com/lists/oss-security/2024/07/28/3
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/3
Patch
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/10/3
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/10/4
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/10/6
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/11/3
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/08/3
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=2294604
Third Party Advisory
https://santandersecurityresearch.github.io/blog/sshing_the_masses.html
Third Party Advisory
Exploit
https://www.openssh.com/txt/release-9.8
Third Party Advisory
Release Notes
https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt
Third Party Advisory
Exploit
http://www.openwall.com/lists/oss-security/2024/07/01/12
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/01/13
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/02/1
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/1
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/11
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/2
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/4
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/03/5
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/04/1
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/04/2
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/08/2
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/09/2
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/09/5
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/10/1
Exploit
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/10/2
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/11/1
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/23/4
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/23/6
Mailing List
http://www.openwall.com/lists/oss-security/2024/07/28/2
Mailing List
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/
Third Party Advisory
Press/Media Coverage
https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-server
Third Party Advisory
Press/Media Coverage
https://forum.vmssoftware.com/viewtopic.php?f=8&t=9132
Issue Tracking
https://github.com/microsoft/azurelinux/issues/9555
Issue Tracking
https://github.com/openela-main/openssh/commit/e1f438970e5a337a17070a637c1b9e19697cad09
Patch
https://github.com/oracle/oracle-linux/issues/149
Issue Tracking
https://github.com/rapier1/hpn-ssh/issues/87
Issue Tracking
https://github.com/zgzhang/cve-2024-6387-poc
Third Party Advisory
https://news.ycombinator.com/item?id=40843778
Patch
Issue Tracking
https://security.netapp.com/advisory/ntap-20240701-0001/
Third Party Advisory
https://stackdiary.com/openssh-race-condition-in-sshd-allows-remote-code-execution/
Third Party Advisory
Press/Media Coverage
https://www.akamai.com/blog/security-research/2024-openssh-vulnerability-regression-what-to-know-and-do
Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisory/19904-security-advisory-0100
Third Party Advisory
https://www.splunk.com/en_us/blog/security/cve-2024-6387-regresshion-vulnerability.html
Third Party Advisory
https://www.theregister.com/2024/07/01/regresshion_openssh/
Third Party Advisory
Press/Media Coverage
https://www.vicarius.io/vsociety/posts/regresshion-an-openssh-regression-error-cve-2024-6387
Third Party Advisory
Exploit
https://packetstorm.news/files/id/190587/
Broken Link
https://www.exploit-db.com/exploits/52269
Exploit
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
https://cert-portal.siemens.com/productcert/html/ssa-446545.html
https://access.redhat.com/errata/RHSA-2024:4312
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4340
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4389
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4469
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4474
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4479
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:4484
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-6387
Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/18
Mailing List
http://seclists.org/fulldisclosure/2024/Jul/19
Mailing List
http://seclists.org/fulldisclosure/2024/Jul/20
Mailing List
https://explore.alas.aws.amazon.com/CVE-2024-6387.html
Third Party Advisory
https://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2024-002.txt.asc
Release Notes
https://github.com/AlmaLinux/updates/issues/629
Issue Tracking
https://github.com/Azure/AKS/issues/4379
Issue Tracking
https://github.com/PowerShell/Win32-OpenSSH/discussions/2248
Issue Tracking
https://github.com/PowerShell/Win32-OpenSSH/issues/2249
Issue Tracking
https://lists.almalinux.org/archives/list/announce@lists.almalinux.org/thread/23BF5BMGFVEVUI2WNVAGMLKT557EU7VY/
Third Party Advisory
https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
Mailing List
Release Notes
https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.html
Patch
Mailing List
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0010
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2024-6387
Third Party Advisory
https://sig-security.rocky.page/issues/CVE-2024-6387/
Third Party Advisory
https://support.apple.com/kb/HT214118
Third Party Advisory
https://support.apple.com/kb/HT214119
Third Party Advisory
https://support.apple.com/kb/HT214120
Third Party Advisory
https://ubuntu.com/security/CVE-2024-6387
Third Party Advisory
https://ubuntu.com/security/notices/USN-6859-1
Third Party Advisory
https://www.freebsd.org/security/advisories/FreeBSD-SA-24:04.openssh.asc
Third Party Advisory
https://www.suse.com/security/cve/CVE-2024-6387.html
Third Party Advisory