CVE-2021-34877: Bentley View JT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Thu Jan 13 2022(Updated: )
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-14829.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bentley View | <10.16.02 | |
| Bentley MicroStation | <10.16.02 | |
| Bentley Systems |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34877?
CVE-2021-34877 is considered a critical vulnerability that allows remote code execution on affected installations.
How do I fix CVE-2021-34877?
To fix CVE-2021-34877, users should update Bentley View and MicroStation to versions above 10.16.02.
What software is affected by CVE-2021-34877?
CVE-2021-34877 affects Bentley View 10.15.0.75 and Bentley MicroStation up to version 10.16.02.
What conditions are required for CVE-2021-34877 to be exploited?
Exploitation of CVE-2021-34877 requires user interaction, such as visiting a malicious page or opening a malicious file.
What impact does CVE-2021-34877 have on users?
CVE-2021-34877 can allow remote attackers to execute arbitrary code on vulnerable systems, posing a significant security risk.
- agent/type
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/author
- agent/title
- agent/severity
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-1465
- alias/ZDI-CAN-14829
- alias/CVE-2021-34877
- agent/software-canonical-lookup
- agent/softwarecombine
- vendor/bentley
- canonical/bentley view
- canonical/bentley microstation
- canonical/bentley systems