Use After Free in Wiris Mathtype
CVE-2018-6641
An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.056 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000
Affected products
- Wiris Mathtype — versions 6.9c
Weakness classification (CWE)
References
- drive.google.com/open (Exploit, Third Party Advisory)
- www.dessci.com/en/dl/ (Product, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-6641?
- CVE-2018-6641 is a critical-severity vulnerability in Wiris Mathtype, classified under Use After Free. CVSS score: 9.8/10. Published 2018-02-28.
- How severe is CVE-2018-6641?
- Critical severity. CVSS v3 base score is 9.8 out of 10.