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CVE-2021-3770— Heap-based Buffer Overflow in vim/vim

Quick assessment

Affected
vim vim/vim
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.

Vim是一款基于UNIX平台的编辑器。 vim 存在缓冲区错误漏洞，该漏洞源于vim软件中使用retab的值较大时内存访问无效，从而导致基于堆的缓冲区溢出。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.73% · P52
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I. Basic Information for CVE-2021-3770

Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow in vim/vim
Source: CVE Program / CVE List V5
Vulnerability Description
vim is vulnerable to Heap-based Buffer Overflow
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是一款基于UNIX平台的编辑器。 vim 存在缓冲区错误漏洞，该漏洞源于vim软件中使用retab的值较大时内存访问无效，从而导致基于堆的缓冲区溢出。
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

Vendor Product Affected Versions CPE Subscribe
vim vim/vim unspecified ~ 8.2.3403 -

II. Public POCs for CVE-2021-3770

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III. Intelligence Information for CVE-2021-3770

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Patches & Fixes for CVE-2021-3770 (1)

Vendor Advisories for CVE-2021-3770 (3)

Mailing List Discussions for CVE-2021-3770 (4)

IV. Related Vulnerabilities

Same product: vim/vim
Same vendor: vim
Same weakness: CWE-122

V. Comments for CVE-2021-3770

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