Vulnerability in Confire Project
CVE-2017-16763
An exploitable vulnerability exists in the YAML parsing functionality in config.py in Confire 0.2.0. Due to the user-specific configuration being loaded from "~/.confire.yaml" using the yaml.load function, a YAML parser can execute arbitrary Python commands resulting in command execution. An attacker can insert Python into loaded YAML to trigger this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.045 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
- Confire Project — versions 0.2.0
Public proof-of-concept exploits
References
- github.com/bbengfort/confire/issues/24 (Exploit, Third Party Advisory)
- joel-malwarebenchmark.github.io/blog/2017/11/12/cve-2017-16763-configure-loaded… (Exploit, Third Party Advisory)
- github.com/bbengfort/confire/commit/8cc86a5ec2327e070f1d576d61bbaadf861597ea (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16763?
- CVE-2017-16763 is a critical-severity vulnerability in Confire Project. CVSS score: 9.8/10. Published 2017-11-10.
- How severe is CVE-2017-16763?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-16763 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.