Vulnerability 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 BMP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14695.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bentley | Bentley View | < 10.16.02 |
| Bentley | Microstation | < 10.16.02 |
Related Weaknesses (CWE)
References
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0002Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1459/Third Party AdvisoryVDB Entry
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0002Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1459/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-34871?
CVE-2021-34871 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2021-34871?
CVE-2021-34871 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34871?
Check the references section above for vendor advisories and patch information. Affected products include: Bentley Bentley View, Bentley Microstation.