Buffer overflow in Foxit Phantompdf

CVE-2020-8854

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.7.0.29478. 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 conversion of JPEG files to PDF. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9606.

Vulnerability class: Buffer Overflow

EPSS: 0.061 (92.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/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-2020-8854?
CVE-2020-8854 is a high-severity vulnerability in Foxit Phantompdf, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-02-14.
How severe is CVE-2020-8854?
High severity. CVSS v3 base score is 7.8 out of 10.