ghsa-25xm-hr59-7c27
Vulnerability from github
Published
2021-05-25 18:39
Modified
2024-05-31 17:45
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.

Show details on source website

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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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