{
  "id": "CVE-2021-46829",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-07-24T19:15:10.097",
  "lastModified": "2022-10-27T13:30:27.817",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems."
    },
    {
      "lang": "es",
      "value": "GdkPixbuf de GNOME (tambi\u00e9n se conoce como GDK-PixBuf) versiones anteriores a 2.42.8, permite un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria cuando son compuestos o borran fotogramas en archivos GIF, como es demostrado por el archivo io-gif-animation.c composite_frame. Este desbordamiento es controlable y podr\u00eda ser abusado para la ejecuci\u00f3n de c\u00f3digo, especialmente en sistemas de 32 bits"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.42.8",
              "matchCriteriaId": "6A4BCBB6-F043-4E56-BBD4-1274E0E663C2"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2022/07/25/1",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M5IHHEYFD6GDZVALKIPPRD2U4JNZUZWR/",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2022/dsa-5228",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2022/07/23/1",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    }
  ]
}