CVE-2017-16616
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1. A YAML parser can execute arbitrary Python commands resulting in command execution because load is used where safe_load should have been used. An attacker can insert Python into loaded YAML to trigger this vulnerability.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cve@mitre.org — https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | pyanyapi | <0.6.1 | 0.6.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| pyanyapi_project | pyanyapi | {"endExcluding":"0.6.1"} | 0.6.1 |
References
- https://github.com/Stranger6667/pyanyapi/issues/41
- https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1
- https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi/
- https://pypi.python.org/pypi/pyanyapi/0.6.1
- https://nvd.nist.gov/vuln/detail/CVE-2017-16616
- https://github.com/Stranger6667/pyanyapi/commit/810db626c18ebc261d5f4299d0f0eac38d5eb3cf
- https://github.com/Stranger6667/pyanyapi
- https://github.com/advisories/GHSA-vg8g-jpm9-jh8r
- https://github.com/pypa/advisory-database/tree/main/vulns/pyanyapi/PYSEC-2017-23.yaml
- https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi
Verify integrity in audit chain (admin only). AS-IS.