VDB
CVE-2017-18342
CVE-2017-18342
PUBLISHED
CVSS 9.800000190734863 CRITICAL
In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.
EPSS 5.66% · 92.7th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
5.66%
92.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | pyyaml | 3.11-3, 3.11-3build1, 0 |
| Ubuntu:18.04:LTS | pyyaml | 3.12-1build2, 0 |
| Ubuntu:14.04:LTS | pyyaml | 3.10-4build3, 3.10-4build4, 3.10-4ubuntu0.1 |
Timeline
- Jun 27, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Mar 1, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- Mar 13, 2023 EPSS Score
- May 15, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2017-18342 third-party-advisory
- https://github.com/yaml/pyyaml/pull/74 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2017-18342 third-party-advisory