PYSEC-2024-155

Vulnerability from pysec - Published: 2024-02-19 23:15 - Updated: 2025-01-14 05:22
VLAI
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.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impacted products
Name purl
cbor2 pkg:pypi/cbor2
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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