Use After Free in Creolabs Gravity
CVE-2017-1000172
Creolabs Gravity Version: 1.0 Use-After-Free Possible code execution. An example of a Heap-Use-After-Free after the 'sublexer' pointer has been freed. Line 542 of gravity_lexer.c. 'lexer' is being used to access a variable but 'lexer' has already been freed, creating a Heap Use-After-Free condition.
Vulnerability class: Use-After-Free
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: 0.024 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Creolabs Gravity — versions 1.0
Weakness classification (CWE)
References
- github.com/marcobambini/gravity/issues/144 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1000172?
- CVE-2017-1000172 is a critical-severity vulnerability in Creolabs Gravity, classified under Use After Free. CVSS score: 9.8/10. Published 2017-11-17.
- How severe is CVE-2017-1000172?
- Critical severity. CVSS v3 base score is 9.8 out of 10.