Vulnerability Name: | CVE-2021-46636 |
Assigned: | 2022-02-18 |
Published: | 2022-02-18 |
Updated: | 2022-02-28 |
Summary: | 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 DGN files. Crafted data in a DGN file can trigger a read 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-15508.
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CVSS v3 Severity: | 7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)Exploitability Metrics: | Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High | 7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)Exploitability Metrics: | Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High |
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CVSS v2 Severity: | 6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None | Impact Metrics: | Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial | 6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)Exploitability Metrics: | Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
| Impact Metrics: | Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial |
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Vulnerability Type: | CWE-125
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References: | Source: MITRE Type: CNA CVE-2021-46636
Source: MISC Type: Vendor Advisory https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009
Source: MISC Type: Third Party Advisory, VDB Entry https://www.zerodayinitiative.com/advisories/ZDI-22-223/
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Vulnerable Configuration: | Configuration 1: cpe:/a:bentley:microstation:*:*:*:*:*:*:*:* (Version < 10.16.02)OR cpe:/a:bentley:microstation_connect:*:*:*:*:*:*:*:* (Version <= 10.16.0.80)OR cpe:/a:bentley:view:*:*:*:*:*:*:*:* (Version < 10.16.02) Denotes that component is vulnerable |
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