Action not permitted
Modal body text goes here.
Modal Title
Modal Body
cnvd-2024-29805
Vulnerability from cnvd
Title: OpenSSH远程代码执行漏洞(CNVD-2024-29805)
Description:
OpenSSH是一套基于安全外壳(SSH)协议的安全网络实用程序,它提供加密功能以确保隐私和安全的文件传输,使其成为远程服务器管理和安全数据通信的必备工具。
OpenSSH远程代码执行漏洞,未经身份验证的攻击者可以利用该漏洞在Linux系统上以root身份执行任意代码。
Severity: 高
Patch Name: OpenSSH远程代码执行漏洞(CNVD-2024-29805)的补丁
Patch Description:
OpenSSH是一套基于安全外壳(SSH)协议的安全网络实用程序,它提供加密功能以确保隐私和安全的文件传输,使其成为远程服务器管理和安全数据通信的必备工具。
OpenSSH远程代码执行漏洞,未经身份验证的攻击者可以利用该漏洞在Linux系统上以root身份执行任意代码。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description:
厂商已发布了漏洞修复程序,请及时关注更新: https://www.openssh.com/releasenotes.html
Reference: https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remot e-unauthenticated-code-execution-vulnerability-in-openssh-server https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt
Name | OpenSSH OpenSSH >=8.5p1 ,<9.8p1 |
---|
{ "cves": { "cve": { "cveNumber": "CVE-2024-6387" } }, "description": "OpenSSH\u662f\u4e00\u5957\u57fa\u4e8e\u5b89\u5168\u5916\u58f3\uff08SSH\uff09\u534f\u8bae\u7684\u5b89\u5168\u7f51\u7edc\u5b9e\u7528\u7a0b\u5e8f\uff0c\u5b83\u63d0\u4f9b\u52a0\u5bc6\u529f\u80fd\u4ee5\u786e\u4fdd\u9690\u79c1\u548c\u5b89\u5168\u7684\u6587\u4ef6\u4f20\u8f93\uff0c\u4f7f\u5176\u6210\u4e3a\u8fdc\u7a0b\u670d\u52a1\u5668\u7ba1\u7406\u548c\u5b89\u5168\u6570\u636e\u901a\u4fe1\u7684\u5fc5\u5907\u5de5\u5177\u3002\n\nOpenSSH\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5728Linux\u7cfb\u7edf\u4e0a\u4ee5root\u8eab\u4efd\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002", "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a \r\nhttps://www.openssh.com/releasenotes.html", "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e", "number": "CNVD-2024-29805", "openTime": "2024-07-01", "patchDescription": "OpenSSH\u662f\u4e00\u5957\u57fa\u4e8e\u5b89\u5168\u5916\u58f3\uff08SSH\uff09\u534f\u8bae\u7684\u5b89\u5168\u7f51\u7edc\u5b9e\u7528\u7a0b\u5e8f\uff0c\u5b83\u63d0\u4f9b\u52a0\u5bc6\u529f\u80fd\u4ee5\u786e\u4fdd\u9690\u79c1\u548c\u5b89\u5168\u7684\u6587\u4ef6\u4f20\u8f93\uff0c\u4f7f\u5176\u6210\u4e3a\u8fdc\u7a0b\u670d\u52a1\u5668\u7ba1\u7406\u548c\u5b89\u5168\u6570\u636e\u901a\u4fe1\u7684\u5fc5\u5907\u5de5\u5177\u3002\r\n\r\nOpenSSH\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5728Linux\u7cfb\u7edf\u4e0a\u4ee5root\u8eab\u4efd\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002", "patchName": "OpenSSH\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2024-29805\uff09\u7684\u8865\u4e01", "products": { "product": "OpenSSH OpenSSH \u003e=8.5p1 \uff0c\u003c9.8p1" }, "referenceLink": "https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remot\r\ne-unauthenticated-code-execution-vulnerability-in-openssh-server\r\n https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt", "serverity": "\u9ad8", "submitTime": "2024-07-01", "title": "OpenSSH\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2024-29805\uff09" }
CVE-2024-6387 (GCVE-0-2024-6387)
Vulnerability from cvelistv5
- CWE-364 - Signal Handler Race Condition
▼ | URL | Tags |
---|---|---|
https://access.redhat.com/errata/RHSA-2024:4312 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4340 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4389 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4469 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4474 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4479 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/errata/RHSA-2024:4484 | vendor-advisory, x_refsource_REDHAT | |
https://access.redhat.com/security/cve/CVE-2024-6387 | vdb-entry, x_refsource_REDHAT | |
https://bugzilla.redhat.com/show_bug.cgi?id=2294604 | issue-tracking, x_refsource_REDHAT | |
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 |
Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
▼ |
Version: 8.5p1 < |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2024-6387", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-07-02T13:18:34.695298Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-07-02T13:18:46.662Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2025-04-24T18:35:27.934Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "url": "https://www.vicarius.io/vsociety/posts/regresshion-an-openssh-regression-error-cve-2024-6387" }, { "url": "https://www.exploit-db.com/exploits/52269" }, { "url": "https://packetstorm.news/files/id/190587/" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/01/12" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/01/13" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/02/1" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/1" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/11" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/3" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/4" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/03/5" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/04/1" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/04/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/08/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/08/3" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/09/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/09/5" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/10/1" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/10/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/10/3" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/10/4" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/10/6" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/11/1" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/11/3" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/23/4" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/23/6" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/28/2" }, { "tags": [ "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/07/28/3" }, { "name": "RHSA-2024:4312", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4312" }, { "name": "RHSA-2024:4340", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4340" }, { "name": "RHSA-2024:4389", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4389" }, { "name": "RHSA-2024:4469", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4469" }, { "name": "RHSA-2024:4474", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4474" }, { "name": "RHSA-2024:4479", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4479" }, { "name": "RHSA-2024:4484", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2024:4484" }, { "tags": [ "vdb-entry", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/security/cve/CVE-2024-6387" }, { "tags": [ "x_transferred" ], "url": "https://archlinux.org/news/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-98p1/" }, { "tags": [ "x_transferred" ], "url": "https://arstechnica.com/security/2024/07/regresshion-vulnerability-in-openssh-gives-attackers-root-on-linux/" }, { "tags": [ "x_transferred" ], "url": "https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-server" }, { "name": "RHBZ#2294604", "tags": [ "issue-tracking", "x_refsource_REDHAT", "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2294604" }, { "tags": [ "x_transferred" ], "url": "https://explore.alas.aws.amazon.com/CVE-2024-6387.html" }, { "tags": [ "x_transferred" ], "url": "https://forum.vmssoftware.com/viewtopic.php?f=8\u0026t=9132" }, { "tags": [ "x_transferred" ], "url": "https://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2024-002.txt.asc" }, { "tags": [ "x_transferred" ], "url": "https://github.com/AlmaLinux/updates/issues/629" }, { "tags": [ "x_transferred" ], "url": "https://github.com/Azure/AKS/issues/4379" }, { "tags": [ "x_transferred" ], "url": "https://github.com/PowerShell/Win32-OpenSSH/discussions/2248" }, { "tags": [ "x_transferred" ], "url": "https://github.com/PowerShell/Win32-OpenSSH/issues/2249" }, { "tags": [ "x_transferred" ], "url": "https://github.com/microsoft/azurelinux/issues/9555" }, { "tags": [ "x_transferred" ], "url": "https://github.com/openela-main/openssh/commit/e1f438970e5a337a17070a637c1b9e19697cad09" }, { "tags": [ "x_transferred" ], "url": "https://github.com/oracle/oracle-linux/issues/149" }, { "tags": [ "x_transferred" ], "url": "https://github.com/rapier1/hpn-ssh/issues/87" }, { "tags": [ "x_transferred" ], "url": "https://github.com/zgzhang/cve-2024-6387-poc" }, { "tags": [ "x_transferred" ], "url": "https://lists.almalinux.org/archives/list/announce@lists.almalinux.org/thread/23BF5BMGFVEVUI2WNVAGMLKT557EU7VY/" }, { "tags": [ "x_transferred" ], "url": "https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html" }, { "tags": [ "x_transferred" ], "url": "https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.html" }, { "tags": [ "x_transferred" ], "url": "https://news.ycombinator.com/item?id=40843778" }, { "tags": [ "x_transferred" ], "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0010" }, { "tags": [ "x_transferred" ], "url": "https://santandersecurityresearch.github.io/blog/sshing_the_masses.html" }, { "tags": [ "x_transferred" ], "url": "https://security-tracker.debian.org/tracker/CVE-2024-6387" }, { "tags": [ "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20240701-0001/" }, { "tags": [ "x_transferred" ], "url": "https://sig-security.rocky.page/issues/CVE-2024-6387/" }, { "tags": [ "x_transferred" ], "url": "https://stackdiary.com/openssh-race-condition-in-sshd-allows-remote-code-execution/" }, { "tags": [ "x_transferred" ], "url": "https://ubuntu.com/security/CVE-2024-6387" }, { "tags": [ "x_transferred" ], "url": "https://ubuntu.com/security/notices/USN-6859-1" }, { "tags": [ "x_transferred" ], "url": "https://www.akamai.com/blog/security-research/2024-openssh-vulnerability-regression-what-to-know-and-do" }, { "tags": [ "x_transferred" ], "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/19904-security-advisory-0100" }, { "tags": [ "x_transferred" ], "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-24:04.openssh.asc" }, { "tags": [ "x_transferred" ], "url": "https://www.openssh.com/txt/release-9.8" }, { "tags": [ "x_transferred" ], "url": "https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt" }, { "tags": [ "x_transferred" ], "url": "https://www.splunk.com/en_us/blog/security/cve-2024-6387-regresshion-vulnerability.html" }, { "tags": [ "x_transferred" ], "url": "https://www.suse.com/security/cve/CVE-2024-6387.html" }, { "tags": [ "x_transferred" ], "url": "https://www.theregister.com/2024/07/01/regresshion_openssh/" }, { "tags": [ "x_transferred" ], "url": "https://support.apple.com/kb/HT214119" }, { "tags": [ "x_transferred" ], "url": "https://support.apple.com/kb/HT214118" }, { "tags": [ "x_transferred" ], "url": "https://support.apple.com/kb/HT214120" }, { "tags": [ "x_transferred" ], "url": "http://seclists.org/fulldisclosure/2024/Jul/20" }, { "tags": [ "x_transferred" ], "url": "http://seclists.org/fulldisclosure/2024/Jul/18" }, { "tags": [ "x_transferred" ], "url": "http://seclists.org/fulldisclosure/2024/Jul/19" } ], "title": "CVE Program Container", "x_generator": { "engine": "ADPogram 0.0.1" } } ], "cna": { "affected": [ { "collectionURL": "https://www.openssh.com/", "defaultStatus": "unaffected", "packageName": "OpenSSH", "repo": "https://anongit.mindrot.org/openssh.git", "versions": [ { "lessThanOrEqual": "9.7p1", "status": "affected", "version": "8.5p1", "versionType": "custom" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::appstream" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:8.7p1-38.el9_4.1", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::appstream" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:8.7p1-38.el9_4.1", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:rhel_e4s:9.0::appstream", "cpe:/o:redhat:rhel_e4s:9.0::baseos" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:8.7p1-12.el9_0.1", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:rhel_eus:9.2::baseos", "cpe:/a:redhat:rhel_eus:9.2::appstream" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 9.2 Extended Update Support", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:8.7p1-30.el9_2.4", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift:4.13::el8", "cpe:/a:redhat:openshift:4.13::el9" ], "defaultStatus": "affected", "packageName": "rhcos", "product": "Red Hat OpenShift Container Platform 4.13", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "413.92.202407091321-0", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift:4.14::el9", "cpe:/a:redhat:openshift:4.14::el8" ], "defaultStatus": "affected", "packageName": "rhcos", "product": "Red Hat OpenShift Container Platform 4.14", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "414.92.202407091253-0", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift:4.15::el9", "cpe:/a:redhat:openshift:4.15::el8" ], "defaultStatus": "affected", "packageName": "rhcos", "product": "Red Hat OpenShift Container Platform 4.15", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "415.92.202407091355-0", "versionType": "rpm" } ] }, { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:openshift:4.16::el9" ], "defaultStatus": "affected", "packageName": "rhcos", "product": "Red Hat OpenShift Container Platform 4.16", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "416.94.202407081958-0", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ceph_storage:5" ], "defaultStatus": "unaffected", "packageName": "openssh", "product": "Red Hat Ceph Storage 5", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ceph_storage:6" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Ceph Storage 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:ceph_storage:7" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Ceph Storage 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ], "defaultStatus": "affected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ], "defaultStatus": "unaffected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "openssh", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Qualys Threat Research Unit (TRU) (Qualys) for reporting this issue." } ], "datePublic": "2024-07-01T08:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A security regression (CVE-2006-5051) was discovered in OpenSSH\u0027s 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": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-364", "description": "Signal Handler Race Condition", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-07-24T13:11:10.801Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "name": "RHSA-2024:4312", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4312" }, { "name": "RHSA-2024:4340", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4340" }, { "name": "RHSA-2024:4389", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4389" }, { "name": "RHSA-2024:4469", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4469" }, { "name": "RHSA-2024:4474", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4474" }, { "name": "RHSA-2024:4479", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4479" }, { "name": "RHSA-2024:4484", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2024:4484" }, { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2024-6387" }, { "name": "RHBZ#2294604", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2294604" }, { "url": "https://santandersecurityresearch.github.io/blog/sshing_the_masses.html" }, { "url": "https://www.openssh.com/txt/release-9.8" }, { "url": "https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt" } ], "timeline": [ { "lang": "en", "time": "2024-06-27T00:00:00+00:00", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2024-07-01T08:00:00+00:00", "value": "Made public." } ], "title": "Openssh: regresshion - race condition in ssh allows rce/dos", "workarounds": [ { "lang": "en", "value": "The below process can protect against a Remote Code Execution attack by disabling the LoginGraceTime parameter on Red Hat Enterprise Linux 9. However, the sshd server is still vulnerable to a Denial of Service if an attacker exhausts all the connections.\n\n1) As root user, open the /etc/ssh/sshd_config\n2) Add or edit the parameter configuration:\n~~~\nLoginGraceTime 0\n~~~\n3) Save and close the file\n4) Restart the sshd daemon:\n~~~\nsystemctl restart sshd.service\n~~~\n\nSetting LoginGraceTime to 0 disables the SSHD server\u0027s ability to drop connections if authentication is not completed within the specified timeout. If this mitigation is implemented, it is highly recommended to use a tool like \u0027fail2ban\u0027 alongside a firewall to monitor log files and manage connections appropriately.\n\nIf any of the mitigations mentioned above is used, please note that the removal of LoginGraceTime parameter from sshd_config is not automatic when the updated package is installed." } ], "x_redhatCweChain": "CWE-364: Signal Handler Race Condition" } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2024-6387", "datePublished": "2024-07-01T12:37:25.431Z", "dateReserved": "2024-06-27T13:41:03.421Z", "dateUpdated": "2025-07-24T13:11:10.801Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.