Improper input validation in Snakeyaml
CVE-2022-1471
SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization. Deserializing yaml content provided by an attacker can lead to remote code execution. We recommend using SnakeYaml's SafeConsturctor…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.938 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Snakeyaml — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/google/security-research/security/advisories/GHSA-mjmj-j48q-9wg2
- bitbucket.org/snakeyaml/snakeyaml/issues/561/cve-2022-1471-vulnerability-in
- github.com/mbechler/marshalsec
- www.github.com/mbechler/marshalsec/blob/master/marshalsec.pdf
- groups.google.com/g/kubernetes-security-announce/c/mwrakFaEdnc
- security.netapp.com/advisory/ntap-20230818-0015/
- packetstormsecurity.com/files/175095/PyTorch-Model-Server-Registration-Deserial…
- www.openwall.com/lists/oss-security/2023/11/19/1
- security.netapp.com/advisory/ntap-20240621-0006/
- infosecwriteups.com/️-inside-the-160-comment-fight-to-fix-snakeyamls-rce-defaul…
Frequently asked questions
- What is CVE-2022-1471?
- CVE-2022-1471 is a high-severity vulnerability in Snakeyaml, classified under Improper Input Validation. CVSS score: 8.3/10. Published 2022-12-01.
- How severe is CVE-2022-1471?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2022-1471 known to be exploited?
- 42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.