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FKIE_CVE-2015-5309

Vulnerability from fkie_nvd - Published: 2015-12-07 20:59 - Updated: 2026-06-17 00:28
Severity
Summary
Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
Impacted products
Vendor Product Version
opensuse leap 42.1
opensuse opensuse 13.1
opensuse opensuse 13.2
simon_tatham putty *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1D5CADD-AE31-4CCD-967F-AAF04CFBDBA6",
              "versionEndIncluding": "0.65",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en el emulador de terminal en PuTTY en versiones anteriores a 0.66 permite a atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una secuencia de escape ECH (borrar caracteres) con un valor de par\u00e1metro grande, que desencadena un desbordamiento inferior de buffer."
    }
  ],
  "id": "CVE-2015-5309",
  "lastModified": "2026-06-17T00:28:54.180",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-12-07T20:59:08.060",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2015/dsa-3409"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1034308"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://security.gentoo.org/glsa/201606-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00099.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2015/dsa-3409"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034308"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201606-01"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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