GHSA-25XM-HR59-7C27

Vulnerability from github – Published: 2021-05-25 18:39 – Updated: 2024-05-31 17:45
VLAI
Summary
github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)
Details

Impact

xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input.

Patches

The problem has been fixed in release v0.5.8.

Workarounds

Limit the size of the compressed file input to a reasonable size for your use case.

References

The standard library had recently the same issue and got the CVE-2020-16845 allocated.

For more information

If you have any questions or comments about this advisory: * Open an issue in xz.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/ulikunitz/xz"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-29482"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-24T17:52:22Z",
    "nvd_published_at": "2021-04-28T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nxz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input.\n\n### Patches\n\nThe problem has been fixed in release v0.5.8.\n\n### Workarounds\n\nLimit the size of the compressed file input to a reasonable size for your use case.\n\n### References\n\nThe standard library had recently the same issue and got the [CVE-2020-16845](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16845) allocated.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [xz](https://github.com/ulikunitz/xz/issues).",
  "id": "GHSA-25xm-hr59-7c27",
  "modified": "2024-05-31T17:45:58Z",
  "published": "2021-05-25T18:39:37Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29482"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ulikunitz/xz/issues/35"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2020-0016"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)"
}



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