Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTI1eG0taHI1OS03YzI3

github.com/ulikunitz/xz fixes readUvarint denial of service

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.

Permalink: https://github.com/advisories/GHSA-25xm-hr59-7c27
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTI1eG0taHI1OS03YzI3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 3 years ago
Updated: 8 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-25xm-hr59-7c27, CVE-2021-29482
References:

• https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27
• https://nvd.nist.gov/vuln/detail/CVE-2021-29482
• https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b
• https://github.com/ulikunitz/xz/issues/35
• https://pkg.go.dev/vuln/GO-2020-0016
• https://github.com/advisories/GHSA-25xm-hr59-7c27

Repository: https://github.com/ulikunitz/xz
Blast Radius: 31.7

Affected Packages