ghsa-6q3h-v425-7xx2
Vulnerability from github
Published
2022-05-14 02:11
Modified
2025-04-20 03:34
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details

The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-6542"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-03-27T17:59:00Z",
    "severity": "CRITICAL"
  },
  "details": "The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.",
  "id": "GHSA-6q3h-v425-7xx2",
  "modified": "2025-04-20T03:34:51Z",
  "published": "2022-05-14T02:11:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-6542"
    },
    {
      "type": "WEB",
      "url": "https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8"
    },
    {
      "type": "WEB",
      "url": "https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201703-03"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201706-09"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/42137"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html"
    },
    {
      "type": "WEB",
      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/97156"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1038067"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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