pysec-2024-155
Vulnerability from pysec
Published
2024-02-19 23:15
Modified
2025-01-14 05:22
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.

Aliases


To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "cbor2",
        "purl": "pkg:pypi/cbor2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "387755eacf0be35591a478d3c67fe10618a6d542"
            },
            {
              "fixed": "4de6991ba29bf2290d7b9d83525eda7d021873df"
            },
            {
              "fixed": "387755eacf0be35591a478d3c67fe10618a6d542"
            },
            {
              "fixed": "4de6991ba29bf2290d7b9d83525eda7d021873df"
            }
          ],
          "repo": "https://github.com/agronholm/cbor2",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.5.1"
            },
            {
              "fixed": "5.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.5.1",
        "5.6.0",
        "5.6.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-26134"
  ],
  "details": "cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.",
  "id": "PYSEC-2024-155",
  "modified": "2025-01-14T05:22:09.226388+00:00",
  "published": "2024-02-19T23:15:07+00:00",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m"
    },
    {
      "type": "ARTICLE",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/"
    },
    {
      "type": "ARTICLE",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/"
    },
    {
      "type": "ARTICLE",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m"
    },
    {
      "type": "FIX",
      "url": "https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542"
    },
    {
      "type": "FIX",
      "url": "https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/agronholm/cbor2/pull/204"
    },
    {
      "type": "WEB",
      "url": "https://github.com/agronholm/cbor2/releases/tag/5.6.2"
    }
  ],
  "related": [
    "GHSA-375g-39jq-vq7m",
    "GHSA-375g-39jq-vq7m"
  ],
  "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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