PT-2021-19347 · Foxit · Foxit Reader

Mat Powell · Published 2021-05-07 · Updated 2021-05-20 · CVE-2021-31466

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Foxit Reader version 10.1.3.37598

Description This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the handling of U3D objects in PDF files due to the lack of proper validation of user-supplied data. This can result in a read past the end of an allocated data structure, allowing an attacker to execute code in the context of the current process.

Recommendations For Foxit Reader version 10.1.3.37598, consider disabling the handling of U3D objects in PDF files as a temporary workaround until a patch is available. Restrict access to malicious pages or files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-31466

ZDI-21-555

Affected Products

Foxit Reader

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-555 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31466 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31466 · Security Note
• https://foxitsoftware.com/support/security-bulletins.php · Vendor Advisory
• https://t.me/cvenotify/14747 · Telegram Post