PT-2021-4690 · Foxit · Foxit Pdf Reader+2

Published 2021-10-12 · Updated 2022-09-02 · CVE-2021-41784

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Foxit PDF Reader versions prior to 11.1 Foxit PDF Editor versions prior to 11.1 Foxit PhantomPDF versions prior to 10.1.6

Description The issue is related to the mishandling of JavaScript, allowing attackers to trigger a use-after-free and execute arbitrary code. This can be exploited by a remote attacker to execute arbitrary code. The vulnerability is also described as a buffer overflow in memory, which can be exploited to achieve the same result.

Recommendations For Foxit PDF Reader versions prior to 11.1, update to version 11.1 or later to resolve the issue. For Foxit PDF Editor versions prior to 11.1, update to version 11.1 or later to resolve the issue. For Foxit PhantomPDF versions prior to 10.1.6, update to version 10.1.6 or later to resolve the issue. As a temporary workaround, consider disabling JavaScript handling in the affected software until a patch is available.

Fix

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

BDU:2021-05387

CVE-2021-41784

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

Foxit Phantompdf

References · 8

• https://safe-surf.ru/specialists/bulletins-nkcki/670486 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41784 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41784 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05387 · Security Note
• https://securitylab.ru/vulnerability/525483.php · Note
• https://cybersecurity-help.cz/vdb/SB2021101204 · Note
• https://t.me/cvenotify/35289 · Telegram Post