cve-2024-39894
Vulnerability from cvelistv5
Published
2024-07-02 00:00
Modified
2025-01-29 22:04
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2024/07/03/6
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2024/07/23/4
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2024/07/23/6
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2024/07/28/3
cve@mitre.orghttps://crzphil.github.io/posts/ssh-obfuscation-bypass/
cve@mitre.orghttps://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
cve@mitre.orghttps://news.ycombinator.com/item?id=41508530
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20240712-0004/
cve@mitre.orghttps://www.openssh.com/txt/release-9.8
cve@mitre.orghttps://www.openwall.com/lists/oss-security/2024/07/02/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/03/6
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/23/4
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/23/6
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/07/28/3
af854a3a-2127-422b-91ae-364da2661108https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240712-0004/
af854a3a-2127-422b-91ae-364da2661108https://www.freebsd.org/security/advisories/FreeBSD-SA-25:01.openssh.asc
af854a3a-2127-422b-91ae-364da2661108https://www.openssh.com/txt/release-9.8
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2024/07/02/1
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

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      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.openssh.com/txt/release-9.8\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.openwall.com/lists/oss-security/2024/07/02/1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/03/6\", \"name\": \"[oss-security] 20240703 Re: Announce: OpenSSH 9.8 released\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240712-0004/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/23/4\", \"name\": \"[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/23/6\", \"name\": \"[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/28/3\", \"name\": \"[oss-security] 20240728 Re: Announce: OpenSSH 9.8 released\", \"tags\": [\"mailing-list\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T04:33:11.961Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-39894\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-07-03T13:15:38.073610Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:openbsd:openssh:9.5:-:*:*:*:*:*:*\"], \"vendor\": \"openbsd\", \"product\": \"openssh\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.5\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.7\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-367\", \"description\": \"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-07-03T13:10:41.799Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://www.openssh.com/txt/release-9.8\"}, {\"url\": \"https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html\"}, {\"url\": \"https://www.openwall.com/lists/oss-security/2024/07/02/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/03/6\", \"name\": \"[oss-security] 20240703 Re: Announce: OpenSSH 9.8 released\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240712-0004/\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/23/4\", \"name\": \"[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG\", \"tags\": [\"mailing-list\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/23/6\", \"name\": \"[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG\", \"tags\": [\"mailing-list\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/07/28/3\", \"name\": \"[oss-security] 20240728 Re: Announce: OpenSSH 9.8 released\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://crzphil.github.io/posts/ssh-obfuscation-bypass/\"}, {\"url\": \"https://news.ycombinator.com/item?id=41508530\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2024-09-11T15:12:12.186999\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-39894\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-11T15:12:12.186999\", \"dateReserved\": \"2024-07-02T00:00:00\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2024-07-02T00:00:00\", \"assignerShortName\": \"mitre\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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