PT-2021-6002 · Foxit · Foxit Pdf Reader+1

Rich · Published 2021-10-06 · Updated 2024-05-08 · CVE-2021-34974

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 (affected versions not specified) Foxit PhantomPDF (affected versions not specified)

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 Annotation objects due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations For Foxit PDF Reader, update to a version that addresses the Annotation Use-After-Free Remote Code Execution issue. For Foxit PhantomPDF, update to a version that addresses the Annotation Use-After-Free Remote Code Execution issue. As a temporary workaround, consider disabling the handling of Annotation objects in both Foxit PDF Reader and Foxit PhantomPDF until a patch is available.

Fix

RCE

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

BDU:2022-00562

CVE-2021-34974

ZDI-21-1205

Affected Products

Foxit Pdf Reader

Foxit Phantompdf

References · 9

• https://safe-surf.ru/specialists/bulletins-nkcki/671771 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1205 · Security Note
• https://bdu.fstec.ru/vul/2022-00562 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34974 · Security Note
• https://safe-surf.ru/upload/VULN/VULN-20211130.5.pdf · Security Note
• https://osv.dev/vulnerability/CVE-2021-34974 · Vendor Advisory
• https://twitter.com/CVEnew/status/1788295946046251173 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2021112906 · Note