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cvelistZdiCVELIST:CVE-2021-34938
HistoryJan 13, 2022 - 9:44 p.m.

CVE-2021-34938

2022-01-1321:44:20
CWE-122
zdi
www.cve.org
4
remote execution attack
bentley view
user interaction
malicious file
heap-based buffer
code execution
zdi-can-14995

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

66.5%

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14995.

CNA Affected

[
  {
    "product": "View",
    "vendor": "Bentley",
    "versions": [
      {
        "status": "affected",
        "version": "10.15.0.75"
      }
    ]
  }
]

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

66.5%

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