CVE-2021-34846
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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-14120.
Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en las instalaciones afectadas de Foxit PDF Reader versión 11.0.0.49893. Es requerida una interacción del usuario para explotar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. El fallo específico se presenta en el manejo de los objetos Annotation. El problema resulta de una falta de comprobación de la existencia de un objeto antes de llevar a cabo operaciones en el objeto. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-14120
This vulnerability allows remote attackers to execute arbitrary code 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 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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-06-17 CVE Reserved
- 2021-07-30 CVE Published
- 2024-08-04 CVE Updated
- 2024-10-21 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (2)
URL | Tag | Source |
---|---|---|
https://www.zerodayinitiative.com/advisories/ZDI-21-928 | Third Party Advisory |
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.foxit.com/support/security-bulletins.html | 2022-02-08 |
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" | <= 11.0.0.49893 Search vendor "Foxit" for product "Pdf Reader" and version " <= 11.0.0.49893" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
Foxitsoftware Search vendor "Foxitsoftware" | Pdf Editor Search vendor "Foxitsoftware" for product "Pdf Editor" | <= 10.1.4.37651 Search vendor "Foxitsoftware" for product "Pdf Editor" and version " <= 10.1.4.37651" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
Foxitsoftware Search vendor "Foxitsoftware" | Pdf Editor Search vendor "Foxitsoftware" for product "Pdf Editor" | 11.0.0.49893 Search vendor "Foxitsoftware" for product "Pdf Editor" and version "11.0.0.49893" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|