QID 375525

Date Published: 2021-05-06

QID 375525: Cygwin Git Package Remote Code Execution

Cygwin is a Linux-style operating environment for Microsoft Windows.

Cywin git package is affected to execute arbitrary code as soon as the repository is checked out.

Affected Versions:
Cygwin git package version prior to 2.31.1-2

QID Detection Logic (authenticated):
The QID flags if it finds a vulnerable version of the git package in installed file. The location of the file is determined by the key "HKLM\SOFTWARE\Cygwin\setup", value "rootdir". The file is present in the <rootdir>\etc\setup folder.

Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code as soon as the repository is checked out.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

Upgrade to Cygwin git package to version 2.31.1-2 or later. For more information, please refer to the vendor advisory for affected Cygwin

Vendor References

CVE-2021-29468 - cygwin.com/pipermail/cygwin-announce/2021-April/010018.html

CVEs related to QID 375525

CVE-2021-29468 |

Software Advisories

Advisory ID	Software	Component	Link
Cygwin Git	Windows		cygwin.com/packages/summary/git-src.html

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