CVE-2021-34903: Bentley View BMP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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 BMP files. Crafted data in a BMP 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-14876.
Other sources
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 BMP files. Crafted data in a BMP 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34903?
The severity of CVE-2021-34903 is high.
How can remote attackers exploit CVE-2021-34903?
Remote attackers can exploit CVE-2021-34903 by visiting a malicious page or opening a malicious file.
Which versions of Bentley View are affected by CVE-2021-34903?
Versions up to and excluding 10.16.02 of Bentley View are affected by CVE-2021-34903.
Which versions of Bentley MicroStation are affected by CVE-2021-34903?
Versions up to and excluding 10.16.02 of Bentley MicroStation are affected by CVE-2021-34903.
What is the Common Weakness Enumeration (CWE) category of CVE-2021-34903?
The CWE category of CVE-2021-34903 is 787.