What is CVE-2018-6639?

CVE-2018-6639 is a critical-severity vulnerability in Wiris Mathtype, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-02-28.

How severe is CVE-2018-6639?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Wiris Mathtype

CVE-2018-6639

An out-of-bounds write (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. A size used by memmove is read from the input file. This is fixed in 6.9d.

Vulnerability class: Buffer Overflow

EPSS: 0.036 (88.4th percentile) — read the EPSS interpretation.

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.

Affected products

Wiris Mathtype — versions 6.9c
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-6639?: CVE-2018-6639 is a critical-severity vulnerability in Wiris Mathtype, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-02-28.
How severe is CVE-2018-6639?: Critical severity. CVSS v3 base score is 9.8 out of 10.