PT-2021-6003 · Foxit · Foxit Pdf Reader+1

Rich · Published 2021-10-08 · Updated 2024-05-08 · CVE-2021-34975

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 implementation of the transitionToState method, resulting from the lack of validation of an object's existence before performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations For Foxit PDF Reader, consider disabling the transitionToState method until a patch is available. For Foxit PhantomPDF, restrict access to the transitionToState method to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

BDU:2022-00564

CVE-2021-34975

ZDI-21-1206

Affected Products

Foxit Pdf Reader

Foxit Phantompdf

References · 9

• https://bdu.fstec.ru/vul/2022-00564 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34975 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34975 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-1206 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/671771 · Security Note
• https://safe-surf.ru/upload/VULN/VULN-20211130.5.pdf · Security Note
• https://twitter.com/CVEnew/status/1788295944938954946 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2021112906 · Note