PT-2020-20320 · Foxit · Foxit Reader

Natnael Samson + 1 · Published 2020-02-11 · Updated 2020-02-18 · CVE-2020-8844

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 9.6.0.25114

Description This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required to exploit this issue, where the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JPEG files within ConvertToPDF. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this issue to execute code in the context of the current process.

Recommendations For Foxit Reader version 9.6.0.25114, consider disabling the ConvertToPDF function, specifically the JPEG parsing component, until a patch is available to prevent exploitation. Restrict access to malicious pages or files to minimize the risk of exploitation. Avoid using ConvertToPDF for JPEG files until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

RCE

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2020-8844

ZDI-20-200

Affected Products

Foxit Reader

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-8844 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-20-200 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8844 · Vendor Advisory
• https://foxitsoftware.com/support/security-bulletins.php · Vendor Advisory
• https://t.me/cvenotify/1043 · Telegram Post