ghsa-r9wj-gm7p-2529
Vulnerability from github
Published
2025-08-05 21:31
Modified
2025-08-05 21:31
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Details

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\x28) in place of the expected SSH protocol delimiter.

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{
  "affected": [],
  "aliases": [
    "CVE-2013-10065"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-248"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-05T20:15:35Z",
    "severity": "HIGH"
  },
  "details": "A denial-of-service vulnerability exists in\u00a0Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (\\x28) in place of the expected SSH protocol delimiter.",
  "id": "GHSA-r9wj-gm7p-2529",
  "modified": "2025-08-05T21:31:38Z",
  "published": "2025-08-05T21:31:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-10065"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb"
    },
    {
      "type": "WEB",
      "url": "https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos"
    },
    {
      "type": "WEB",
      "url": "https://www.sysax.com"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/sysax-multi-server-sshd-key-exchange-dos"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}


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