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cvelistZdiCVELIST:CVE-2021-46585
HistoryFeb 18, 2022 - 7:44 p.m.

CVE-2021-46585

2022-02-1819:44:54
CWE-121
zdi
www.cve.org
2
bentley microstation
remote code execution
user interaction
jt files
stack-based buffer
zdi-can-15379

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.8%

This vulnerability allows remote attackers to execute arbitrary code 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 JT files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15379.

CNA Affected

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.8%

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