ghsa-g5qj-pfmg-p3jp
Vulnerability from github
Published
2024-07-02 21:32
Modified
2025-01-30 00:31
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Details

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.

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{
   affected: [],
   aliases: [
      "CVE-2024-39894",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-367",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-07-02T18:15:03Z",
      severity: "HIGH",
   },
   details: "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.",
   id: "GHSA-g5qj-pfmg-p3jp",
   modified: "2025-01-30T00:31:03Z",
   published: "2024-07-02T21:32:15Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-39894",
      },
      {
         type: "WEB",
         url: "https://crzphil.github.io/posts/ssh-obfuscation-bypass",
      },
      {
         type: "WEB",
         url: "https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html",
      },
      {
         type: "WEB",
         url: "https://news.ycombinator.com/item?id=41508530",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20240712-0004",
      },
      {
         type: "WEB",
         url: "https://www.freebsd.org/security/advisories/FreeBSD-SA-25:01.openssh.asc",
      },
      {
         type: "WEB",
         url: "https://www.openssh.com/txt/release-9.8",
      },
      {
         type: "WEB",
         url: "https://www.openwall.com/lists/oss-security/2024/07/02/1",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2024/07/03/6",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/4",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2024/07/23/6",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2024/07/28/3",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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