Use After Free in Falco
CVE-2019-8339
An issue was discovered in Falco through 0.14.0. A missing indicator for insufficient resources allows local users to bypass the detection engine.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/falcosecurity/falco/pull/561 (Patch, Third Party Advisory)
- www.twistlock.com/labs-blog/falco-vulnerability-cve-2019-8339/ (Exploit, Third Party Advisory)
- falco.org/docs/event-sources/dropped-events/ (Vendor Advisory)
- sysdig.com/blog/cve-2019-8339-falco-vulnerability/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8339?
- CVE-2019-8339 is a medium-severity vulnerability in Falco, classified under Use After Free. CVSS score: 5.5/10. Published 2019-05-17.
- How severe is CVE-2019-8339?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-8339 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.