CVE-2021-34926
Bentley View JT File Parsing Out-Of-Bounds Write 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 Bentley View 10.15.0.75. 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 parsing of JT files. Crafted data in a JT file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14904.
Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en las instalaciones afectadas de Bentley View versión 10.15.0.75. 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 análisis de los archivos JT. Los datos diseñados en un archivo JT pueden desencadenar una escritura más allá del final de un búfer asignado. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-14904
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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 parsing of JT files. Crafted data in a JT file can trigger a write past the end of an allocated buffer. 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
- 2021-12-08 CVE Published
- 2024-08-04 CVE Updated
- 2024-09-28 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
URL | Tag | Source |
---|---|---|
https://www.zerodayinitiative.com/advisories/ZDI-21-1514 | Third Party Advisory |
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005 | 2022-01-14 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Bentley Search vendor "Bentley" | Bentley View Search vendor "Bentley" for product "Bentley View" | < 10.16.02 Search vendor "Bentley" for product "Bentley View" and version " < 10.16.02" | - |
Affected
| ||||||
Bentley Search vendor "Bentley" | Microstation Search vendor "Bentley" for product "Microstation" | < 10.16.02 Search vendor "Bentley" for product "Microstation" and version " < 10.16.02" | - |
Affected
|