Out-of-bounds Read in Foxit Reader

CVE-2018-17686

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.2.0.9297. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of BMP images. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6844.

Vulnerability class: Buffer Overflow

EPSS: 0.244 (97.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-17686?
CVE-2018-17686 is a medium-severity vulnerability in Foxit Reader, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-01-24.
How severe is CVE-2018-17686?
Medium severity. CVSS v3 base score is 6.5 out of 10.