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ZdiCVE-2021-46574

HistoryFeb 18, 2022 - 8:15 p.m.

CVE-2021-46574

2022-02-1820:15:12

CWE-787

zdi

web.nvd.nist.gov

cve-2021-46574

bentley microstation connect

remote code execution

vulnerability

jt file

security

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

EPSS

0.002

Percentile

57.2%

JSON

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. 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-15368.

Affected configurations

Nvd

Vulners

Node

bentleymicrostationRange<10.16.02

bentleymicrostation_connectMatch10.16.0.80

bentleyviewRange<10.16.02

VendorProductVersionCPE
bentleymicrostation*cpe:2.3:a:bentley:microstation:*:*:*:*:*:*:*:*
bentleymicrostation_connect10.16.0.80cpe:2.3:a:bentley:microstation_connect:10.16.0.80:*:*:*:*:*:*:*
bentleyview*cpe:2.3:a:bentley:view:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bentley	microstation	*	cpe:2.3:a:bentley:microstation::::::::
bentley	microstation_connect	10.16.0.80	cpe:2.3:a:bentley:microstation_connect:10.16.0.80:::::::*
bentley	view	*	cpe:2.3:a:bentley:view::::::::

CNA Affected

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

References

www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005

www.zerodayinitiative.com/advisories/ZDI-22-161/

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

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

EPSS

0.002

Percentile

57.2%

JSON

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