fkie_cve-2017-6542
Vulnerability from fkie_nvd
Published
2017-03-27 17:59
Modified
2025-04-20 01:37
Severity ?
Summary
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.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2017-03/msg00055.htmlThird Party Advisory
cve@mitre.orghttp://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.htmlPatch, Vendor Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/97156Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1038067
cve@mitre.orghttps://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8
cve@mitre.orghttps://security.gentoo.org/glsa/201703-03Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.gentoo.org/glsa/201706-09
cve@mitre.orghttps://www.exploit-db.com/exploits/42137/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97156Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038067
af854a3a-2127-422b-91ae-364da2661108https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201703-03Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201706-09
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/42137/
Impacted products
Vendor Product Version
putty putty *
opensuse leap 42.2
opensuse_project leap 42.1



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A6D4089-DA56-48A4-8DCB-966EF35CB399",
              "versionEndIncluding": "0.67",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "1EA337A3-B9A3-4962-B8BD-8E0C7C5B28EB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "CF605E46-ADCE-45B3-BBBA-E593D3CEE2A6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n ssh_agent_channel_data en PuTTY en versiones anteriores a 0.68 permite a atacantes remotos tener un impacto no especificado a trav\u00e9s de un valor de longitud grande en un mensaje de protocolo de agente y aprovechando la capacidad para conectarse al socket de Unix-domain que representa la conexi\u00f3n de agente reenviada, lo que desencadena un desbordamiento de b\u00fafer."
    }
  ],
  "id": "CVE-2017-6542",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-03-27T17:59:00.850",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97156"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1038067"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://security.gentoo.org/glsa/201703-03"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/201706-09"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.exploit-db.com/exploits/42137/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97156"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1038067"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://security.gentoo.org/glsa/201703-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201706-09"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.exploit-db.com/exploits/42137/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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