denial of service in github.com/ulikunitz/xz (ulikunitz xz)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.44 % · percentile 73 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Modified
Description
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. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.
Weaknesses (CWE)
- CWE-835 — Loop with Unreachable Exit Condition
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | GitHub_M |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-25xm-hr59-7c27 — github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)
- GO-2020-0016 — Infinite loop in github.com/ulikunitz/xz
European references
- ENISA EUVD · EUVD-2021-0896
- GCVE · GCVE-0-2021-29482
Affected configurations (NVD CPE)
cpe:2.3:a:xz_project:xz:*:*:*:*:*:go:*:*< 0.5.8
Affected products
| Product | Versions |
|---|---|
| ulikunitz · xz | affected < 0.5.8 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |