Vulnerability · Published Jan 13, 2022 · Assigned by zdi
CVE-2021-34935
High 7.8
In plain English
A high-severity out-of-bounds write in View from Bentley. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Official description
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-14913.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1523/ x_refsource_MISC