fkie_cve-2024-39894
Vulnerability from fkie_nvd
Published
2024-07-02 18:15
Modified
2025-01-29 22:15
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


To clipboard 

{
   cveTags: [],
   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.",
      },
      {
         lang: "es",
         value: "OpenSSH 9.5 a 9.7 anterior a 9.8 a veces permite ataques de sincronización contra la entrada de contraseña sin eco (por ejemplo, para su y Sudo) debido a un error lógico de ObscureKeystrokeTiming. De manera similar, podrían ocurrir otros ataques de sincronización contra la entrada de teclas.",
      },
   ],
   id: "CVE-2024-39894",
   lastModified: "2025-01-29T22:15:29.073",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.6,
            impactScore: 5.9,
            source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            type: "Secondary",
         },
      ],
   },
   published: "2024-07-02T18:15:03.710",
   references: [
      {
         source: "cve@mitre.org",
         url: "http://www.openwall.com/lists/oss-security/2024/07/03/6",
      },
      {
         source: "cve@mitre.org",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/4",
      },
      {
         source: "cve@mitre.org",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/6",
      },
      {
         source: "cve@mitre.org",
         url: "http://www.openwall.com/lists/oss-security/2024/07/28/3",
      },
      {
         source: "cve@mitre.org",
         url: "https://crzphil.github.io/posts/ssh-obfuscation-bypass/",
      },
      {
         source: "cve@mitre.org",
         url: "https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html",
      },
      {
         source: "cve@mitre.org",
         url: "https://news.ycombinator.com/item?id=41508530",
      },
      {
         source: "cve@mitre.org",
         url: "https://security.netapp.com/advisory/ntap-20240712-0004/",
      },
      {
         source: "cve@mitre.org",
         url: "https://www.openssh.com/txt/release-9.8",
      },
      {
         source: "cve@mitre.org",
         url: "https://www.openwall.com/lists/oss-security/2024/07/02/1",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "http://www.openwall.com/lists/oss-security/2024/07/03/6",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/4",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/6",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "http://www.openwall.com/lists/oss-security/2024/07/28/3",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.netapp.com/advisory/ntap-20240712-0004/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://www.freebsd.org/security/advisories/FreeBSD-SA-25:01.openssh.asc",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://www.openssh.com/txt/release-9.8",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://www.openwall.com/lists/oss-security/2024/07/02/1",
      },
   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Awaiting Analysis",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-367",
            },
         ],
         source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
         type: "Secondary",
      },
   ],
}


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