CVE Vulnerabilities

CVE-2021-46570

Use of Uninitialized Variable

Published: Feb 18, 2022 | Modified: Feb 26, 2022
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley View 10.16.0.80. 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. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15364.

Weakness

The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

Affected Software

Name Vendor Start Version End Version
Microstation Bentley * 10.16.02 (excluding)
Microstation_connect Bentley * 10.16.0.80 (including)
View Bentley * 10.16.02 (excluding)

Potential Mitigations

References