Use After Free in Foxit Reader

CVE-2018-17667

This vulnerability allows remote attackers to execute arbitrary code 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 handling of the print method of a Host object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6521.

Vulnerability class: Use-After-Free

EPSS: 0.039 (89.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-17667?
CVE-2018-17667 is a high-severity vulnerability in Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2019-01-24.
How severe is CVE-2018-17667?
High severity. CVSS v3 base score is 8.8 out of 10.