pysec-2021-877
Vulnerability from pysec
Published
2021-07-26 17:15
Modified
2024-01-02 15:20
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

Impacted products
Name purl
exiv2 pkg:pypi/exiv2
Aliases


To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "exiv2",
        "purl": "pkg:pypi/exiv2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1",
        "0.11.0",
        "0.11.1",
        "0.11.2",
        "0.11.3",
        "0.12.0",
        "0.12.1",
        "0.13.0",
        "0.13.1",
        "0.13.2",
        "0.14.0",
        "0.14.1",
        "0.2",
        "0.3",
        "0.3.1",
        "0.15.0",
        "0.16.0",
        "0.16.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-31292"
  ],
  "details": "An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.",
  "id": "PYSEC-2021-877",
  "modified": "2024-01-02T15:20:59.375619Z",
  "published": "2021-07-26T17:15:00Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/Exiv2/exiv2/issues/1530"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Exiv2/exiv2/issues/1530"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Exiv2/exiv2/issues/1530"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2021/dsa-4958"
    },
    {
      "type": "ARTICLE",
      "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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