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CVE-2023-48231— Use-After-Free in win_close() in vim

Quick assessment

Affected
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是一款跨平台的文本编辑器。 Vim v9.0.2106之前版本存在资源管理错误漏洞，该漏洞源于当关闭窗口时，vim可能会尝试访问已经释放的窗口结构。

CVSS 3.9 · Low EPSS 0.67% · P51

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
vim vim < 9.0.2106 affected
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I. Basic Information for CVE-2023-48231

Vulnerability Information
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Vulnerability Title
Use-After-Free in win_close() in vim
Source: CVE Program / CVE List V5
Vulnerability Description
Vim is an open source command line text editor. When closing a window, vim may try to access already freed window structure. Exploitation beyond crashing the application has not been shown to be viable. This issue has been addressed in commit `25aabc2b` which has been included in release version 9.0.2106. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是一款跨平台的文本编辑器。 Vim v9.0.2106之前版本存在资源管理错误漏洞，该漏洞源于当关闭窗口时，vim可能会尝试访问已经释放的窗口结构。
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 < 9.0.2106 -

II. Public POCs for CVE-2023-48231

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III. Intelligence Information for CVE-2023-48231

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Patches & Fixes for CVE-2023-48231 (1)

Vendor Advisories for CVE-2023-48231 (2)

Mailing List Discussions for CVE-2023-48231 (4)

Same Patch Batch · vim · 2023-11-16 · 7 CVEs total

CVE-2023-48232 3.9 LOW Floating point Exception in adjust_plines_for_skipcol() in vim
CVE-2023-48233 2.8 LOW overflow with count for :s command in vim
CVE-2023-48234 2.8 LOW overflow in nv_z_get_count in vim
CVE-2023-48235 2.8 LOW overflow in ex address parsing in vim
CVE-2023-48236 2.8 LOW overflow in get_number in vim
CVE-2023-48237 2.8 LOW overflow in shift_line in vim

IV. Related Vulnerabilities

Same product: vim
Same vendor: vim
Same weakness: CWE-416

V. Comments for CVE-2023-48231

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