Use After Free in Foxit Pdf Editor
CVE-2021-34967
Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14368.
Vulnerability class: Use-After-Free
EPSS: 0.003 (27.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Foxit Pdf Editor — versions 11.0.0.49893
- Foxit Pdf_editor — versions 11.0.0.49893, 11.0.1.49938
- Foxit Pdf_reader
- Microsoft Windows
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34967?
- CVE-2021-34967 is a high-severity vulnerability in Foxit Pdf Editor, classified under Use After Free. CVSS score: 7.8/10. Published 2024-05-07.
- How severe is CVE-2021-34967?
- High severity. CVSS v3 base score is 7.8 out of 10.