CVE-2021-34880
Quick assessment
Affected
Bentley View
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Bentley Systems Bentley View是美国Bentley Systems公司的一个免费查看器。 Bentley View存在安全漏洞，该漏洞允许远程攻击者可利用该漏洞在受影响的Bentley View安装上执行任意代码。利用该漏洞需要用户交互，因为目标必须访问恶意页面或打开恶意文件。具体的漏洞存在于3DS文件的解析中。在3DS文件中精心制作的数据可以触发读取超过已分配缓冲区的末尾。攻击者可利用该漏洞可以利用此漏洞在当前进程的上下文中执行代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-34880
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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 3DS files. Crafted data in a 3DS 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-14833.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Bentley Systems Bentley View 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bentley Systems Bentley View是美国Bentley Systems公司的一个免费查看器。 Bentley View存在安全漏洞，该漏洞允许远程攻击者可利用该漏洞在受影响的Bentley View安装上执行任意代码。利用该漏洞需要用户交互，因为目标必须访问恶意页面或打开恶意文件。具体的漏洞存在于3DS文件的解析中。在3DS文件中精心制作的数据可以触发读取超过已分配缓冲区的末尾。攻击者可利用该漏洞可以利用此漏洞在当前进程的上下文中执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-34880
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-34880 (1)
-
https://www.zerodayinitiative.com/advisories/ZDI-21-1469/ x_refsource_MISC
Other References for CVE-2021-34880 (1)
Same Patch Batch · Bentley · 2022-01-13 · 78 CVEs total
| CVE-2021-34915 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34916 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34930 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34918 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34919 | Bentley Systems Bentley View 资源管理错误漏洞 | |
| CVE-2021-34917 | Bentley Systems Bentley View 资源管理错误漏洞 | |
| CVE-2021-34914 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34913 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34912 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34911 | Bentley Systems Bentley View 资源管理错误漏洞 | |
| CVE-2021-34920 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34921 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34922 | Bentley Systems Bentley View 资源管理错误漏洞 | |
| CVE-2021-34923 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34924 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34925 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34926 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34927 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34928 | Bentley Systems Bentley View 缓冲区错误漏洞 | |
| CVE-2021-34929 | Bentley Systems Bentley View 缓冲区错误漏洞 |
Showing top 20 of 78 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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-
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Bentley View FBX File Parsing Heap-based Buffer Overflow Rem -
CVE-2022-43653
Bentley View SKP File Parsing Out-Of-Bounds Write Remote Cod -
CVE-2022-43652
Bentley View SKP File Parsing Use-After-Free Information Dis
V. Comments for CVE-2021-34880
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