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ZdiCVE-2021-46607

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

CVE-2021-46607

2022-02-1820:15:14

CWE-125

zdi

web.nvd.nist.gov

cve-2021-46607

bentley microstation connect

vulnerability

remote attack

sensitive information disclosure

3ds file parsing

nvd

zdi-can-15401

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

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

AI Score

3.4

Confidence

High

EPSS

0.001

Percentile

39.3%

JSON

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 3DS 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-15401.

Affected configurations

Nvd

Vulners

Node

bentleymicrostationRange<10.16.02

bentleymicrostation_connectRange≤10.16.0.80

bentleyviewRange<10.16.02

VendorProductVersionCPE
bentleymicrostation*cpe:2.3:a:bentley:microstation:*:*:*:*:*:*:*:*
bentleymicrostation_connect*cpe:2.3:a:bentley:microstation_connect:*:*:*:*:*:*:*:*
bentleyview*cpe:2.3:a:bentley:view:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
bentley	microstation	*	cpe:2.3:a:bentley:microstation::::::::
bentley	microstation_connect	*	cpe:2.3:a:bentley:microstation_connect::::::::
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-2021-0004

www.zerodayinitiative.com/advisories/ZDI-22-194/

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

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

AI Score

3.4

Confidence

High

EPSS

0.001

Percentile

39.3%

JSON

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