CVE-2021-34972
Foxit PDF Reader AcroForm Use-After-Free Information Disclosure Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Foxit PDF Reader AcroForm Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 processing of AcroForms. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14975.
Vulnerabilidad de divulgación de información de Use-After-Free de Foxit PDF Reader AcroForm. Esta vulnerabilidad permite a atacantes remotos revelar información confidencial sobre las instalaciones afectadas de Foxit PDF Reader. Se requiere la interacción del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. La falla específica existe en el procesamiento de AcroForms. El problema surge de la falta de validación de la existencia de un objeto antes de realizar operaciones sobre él. Un atacante puede aprovechar esto junto con otras vulnerabilidades para ejecutar código arbitrario en el contexto del proceso actual. Era ZDI-CAN-14975.
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 processing of AcroForms. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2021-06-17 CVE Reserved
- 2021-10-15 CVE Published
- 2024-08-04 CVE Updated
- 2024-11-12 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (2)
URL | Tag | Source |
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https://www.zerodayinitiative.com/advisories/ZDI-21-1203 | X_research Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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https://www.foxit.com/support/security-bulletins.html | 2024-05-08 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Foxit Search vendor "Foxit" | PDF Reader Search vendor "Foxit" for product "PDF Reader" | 13.2.0.21165 Search vendor "Foxit" for product "PDF Reader" and version "13.2.0.21165" | en |
Affected
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