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CVE-2023-29011— Git for Windows's config file of `connect.exe` is susceptible to malicious placing

Quick assessment

Affected
git-for-windows git
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.

Git for Windows是Git的用于 Windows 的 Git。 Git for Windows 2.40.1之前版本存在代码问题漏洞，该漏洞源于任何经过身份验证的用户都可以创建etc。

CVSS 7.6 · High EPSS 0.38% · P30
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I. Basic Information for CVE-2023-29011

Vulnerability Information
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Vulnerability Title
Git for Windows's config file of `connect.exe` is susceptible to malicious placing
Source: CVE Program / CVE List V5
Vulnerability Description
Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`'s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\etc\connectrc`. Since `C:\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `<drive>:\etc\connectrc` files on multi-user machines.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Git for Windows 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Git for Windows是Git的用于 Windows 的 Git。 Git for Windows 2.40.1之前版本存在代码问题漏洞，该漏洞源于任何经过身份验证的用户都可以创建etc。
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
git-for-windows git < 2.40.1 -

II. Public POCs for CVE-2023-29011

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III. Intelligence Information for CVE-2023-29011

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Vendor Advisories for CVE-2023-29011 (1)

Other References for CVE-2023-29011 (1)

Same Patch Batch · git-for-windows · 2023-04-25 · 3 CVEs total

CVE-2023-29012 7.3 HIGH Git CMD erroneously executes `doskey.exe` in the current directory, if it exists
CVE-2023-25815 3.3 LOW Git looks for localized messages in the wrong place

IV. Related Vulnerabilities

Same product: git
Same vendor: git-for-windows
Same weakness: CWE-427

V. Comments for CVE-2023-29011

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