FKIE_CVE-2015-1607

Vulnerability from fkie_nvd - Published: 2019-11-20 19:15 - Updated: 2026-06-17 00:22
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."
References
cve@mitre.orghttp://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/02/13/14Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2015/02/14/6Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/72610Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
cve@mitre.orghttps://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.htmlThird Party Advisory
cve@mitre.orghttps://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.htmlMailing List, Release Notes, Vendor Advisory
cve@mitre.orghttps://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.htmlMailing List, Release Notes, Vendor Advisory
cve@mitre.orghttps://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/02/13/14Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2015/02/14/6Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/72610Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/usn-2554-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzing-TFPA-0012015.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000361.htmlMailing List, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000362.htmlMailing List, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
gnupg gnupg *
gnupg gnupg *
gnupg gnupg *
canonical ubuntu_linux 10.04
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 14.10
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A7A4C18-6BE6-437E-81AD-C4AD73A78038",
              "versionEndExcluding": "1.4.19",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "E7D53A20-9751-4C22-9C56-828FC0D33F26",
              "versionEndExcluding": "2.0.27",
              "versionStartIncluding": "2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15FF7A2F-DD01-4210-8C13-8E673706FF1F",
              "versionEndExcluding": "2.1.2",
              "versionStartIncluding": "2.1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "5D37DF0F-F863-45AC-853A-3E04F9FEC7CA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and \"memcpy with overlapping ranges.\""
    },
    {
      "lang": "es",
      "value": "El archivo kbx/keybox-search.c en GnuPG versiones anteriores a 1.4.19, versiones 2.0.x anteriores a 2.0.27 y versiones 2.1.x anteriores a 2.1.2, no maneja apropiadamente los cambios a la izquierda bit a bit, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (operaci\u00f3n de lectura no v\u00e1lida) por medio de un archivo de llavero dise\u00f1ado, relacionado con extensiones de signo y \"memcpy with overlapping ranges.\""
    }
  ],
  "id": "CVE-2015-1607",
  "lastModified": "2026-06-17T00:22:41.467",
  "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": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-11-20T19:15:11.250",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git%3Ba=commit%3Bh=2183683bd633818dd031b090b5530951de76f392"
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    {
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    },
    {
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  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.