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 read 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-14838.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-34885
• https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005
• https://www.zerodayinitiative.com/advisories/ZDI-21-1474/