CVE-2021-31454
Foxit Reader XFA leadDigits Heap-based Buffer Overflow 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 Reader 10.1.1.37576. 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 the Decimal element. A crafted leadDigits value in a Decimal element can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. Was ZDI-CAN-13095.
Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en instalaciones afectadas de Foxit Reader versión 10.1.1.37576. 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 dentro del manejo del elemento Decimal. Un valor de leadDigits diseñado en un elemento Decimal puede desencadenar un desbordamiento de búfer en la región heap de la memoria de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código arbitrario en el contexto del proceso actual. Fue ZDI-CAN-13095
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit 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 the Decimal element. A crafted leadDigits value in a Decimal element can trigger an overflow of a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-04-16 CVE Reserved
- 2021-05-07 CVE Published
- 2024-05-24 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-122: Heap-based Buffer Overflow
CAPEC
References (2)
URL | Tag | Source |
---|---|---|
https://www.zerodayinitiative.com/advisories/ZDI-21-543 | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.foxitsoftware.com/support/security-bulletins.php | 2021-05-11 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Foxitsoftware Search vendor "Foxitsoftware" | Foxit Reader Search vendor "Foxitsoftware" for product "Foxit Reader" | <= 10.1.3.37598 Search vendor "Foxitsoftware" for product "Foxit Reader" and version " <= 10.1.3.37598" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
Foxitsoftware Search vendor "Foxitsoftware" | Phantompdf Search vendor "Foxitsoftware" for product "Phantompdf" | <= 9.7.5.29616 Search vendor "Foxitsoftware" for product "Phantompdf" and version " <= 9.7.5.29616" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
Foxitsoftware Search vendor "Foxitsoftware" | Phantompdf Search vendor "Foxitsoftware" for product "Phantompdf" | >= 10.0.0.0 <= 10.1.3.37598 Search vendor "Foxitsoftware" for product "Phantompdf" and version " >= 10.0.0.0 <= 10.1.3.37598" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|