FKIE_CVE-2018-14553

Vulnerability from fkie_nvd - Published: 2020-02-11 13:15 - Updated: 2026-06-17 01:41
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.htmlThird Party Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1599032Issue Tracking, Permissions Required
cve@mitre.orghttps://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860fPatch, Third Party Advisory
cve@mitre.orghttps://github.com/libgd/libgd/pull/580Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/02/msg00014.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
cve@mitre.orghttps://usn.ubuntu.com/4316-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4316-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00020.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1599032Issue Tracking, Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860fPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libgd/libgd/pull/580Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/02/msg00014.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/04/msg00003.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4316-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4316-2/Third Party Advisory
Impacted products
Vendor Product Version
libgd libgd *
libgd libgd 2.1.0
libgd libgd 2.1.0
fedoraproject fedora 32
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.10
debian debian_linux 8.0
opensuse leap 15.1
To clipboard 

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          "vendor": "n/a",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled)."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n gdImageClone en el archivo gd.c en libgd versiones 2.1.0-rc2 hasta 2.2.5, presenta una desreferencia del puntero NULL que permite a atacantes bloquear una aplicaci\u00f3n por medio de una secuencia de llamada de funci\u00f3n espec\u00edfica."
    }
  ],
  "id": "CVE-2018-14553",
  "lastModified": "2026-06-17T01:41:11.167",
  "metrics": {
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      {
        "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",
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          "confidentialityImpact": "NONE",
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          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2020-02-11T13:15:11.197",
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}



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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.