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cvelistZdiCVELIST:CVE-2021-46596
HistoryFeb 18, 2022 - 7:45 p.m.

CVE-2021-46596

2022-02-1819:45:12
CWE-125
zdi
www.cve.org
4
vulnerability
remote attackers
sensitive information
bentley microstation
user interaction
malicious file
parsing
obj files
validation
buffer overflow
arbitrary code
zdi-can-15390

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

46.8%

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley MicroStation CONNECT 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 OBJ files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15390.

CNA Affected

[
  {
    "product": "MicroStation CONNECT",
    "vendor": "Bentley",
    "versions": [
      {
        "status": "affected",
        "version": "10.16.0.80"
      }
    ]
  }
]

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

46.8%

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