FKIE_CVE-2015-6806

Vulnerability from fkie_nvd - Published: 2015-09-28 20:59 - Updated: 2025-04-12 10:46
Severity ?
Summary
The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.
References
cve@mitre.orghttp://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3352
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/09/01/1
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/09/03/11Exploit
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/09/03/4
cve@mitre.orghttps://savannah.gnu.org/bugs/?45713Exploit, Vendor Advisory
cve@mitre.orghttps://usn.ubuntu.com/3996-1/
af854a3a-2127-422b-91ae-364da2661108http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3352
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/09/01/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/09/03/11Exploit
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/09/03/4
af854a3a-2127-422b-91ae-364da2661108https://savannah.gnu.org/bugs/?45713Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3996-1/
Impacted products
Vendor Product Version
gnu gnu_screen *
To clipboard Create KEV Entry 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:gnu_screen:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "60534A4C-D7AF-49DC-871F-B61D9189125E",
              "versionEndIncluding": "4.3.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en la funci\u00f3n MScrollV en ansi.c en GNU screen 4.3.1 y versiones anteriores, no limita correctamente la recursividad, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de pila) a trav\u00e9s de una secuencia de escape con un valor grande de repeat count."
    }
  ],
  "id": "CVE-2015-6806",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-09-28T20:59:06.280",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2015/dsa-3352"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/01/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/09/03/11"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/03/4"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://savannah.gnu.org/bugs/?45713"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://usn.ubuntu.com/3996-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.savannah.gnu.org/cgit/screen.git/commit/?id=b7484c224738247b510ed0d268cd577076958f1b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2015/dsa-3352"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/01/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2015/09/03/11"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/03/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://savannah.gnu.org/bugs/?45713"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/3996-1/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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