Important: git security update
Summary
ALSA-2023:3246: Important: git security update. Affects git versions < 2.39.3-1.el8_8. Fixed in 2.39.3-1.el8_8. How to fix ↓
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Background
Git is a distributed revision control system with a decentralized architecture. It allows users to work on and contribute to projects without the need for permission to push changes to official repositories. Git also enables offline work. It is widely used in software development to manage source code and track changes.
Vulnerability Detail
The vulnerability (CVE-2023-25652) in Git allows an attacker to overwrite a path outside the working tree with partially controlled contents by providing specially crafted input to the git apply --reject command. This can lead to unauthorized modification of files and potential code execution. Other vulnerabilities (CVE-2023-29007, CVE-2023-22490, CVE-2023-23946, CVE-2023-25815) in Git involve arbitrary configuration injection, data exfiltration, and the ability to overwrite paths outside the working tree with crafted input. These vulnerabilities can be exploited to compromise the integrity and confidentiality of Git repositories.
How To Fix
Minimum fixed version
2.39.3-1.el8_8
This is the first release that contains the fix.
sudo dnf update gitTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
It is crucial to update Git to the latest version to mitigate the identified vulnerabilities. By keeping your Git installation up to date, you can ensure the integrity and security of your source code repositories. If you need further assistance or support in addressing these vulnerabilities, please contact DevNack.com.
See every vulnerability recorded for git →
FAQ
Git is a distributed version control system used to track changes in source code during software development.
These vulnerabilities can allow an attacker to modify files, inject arbitrary configurations, and exfiltrate data from Git repositories.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your Git installation is affected by these vulnerabilities. Simply upload your package-lock.json file to the playground and it will provide real-time alerts for open-source vulnerabilities.
At the moment, there are no known workarounds for these vulnerabilities. It is recommended to update Git to the latest version.
You can find more information about these vulnerabilities, including their impact and CVSS scores, on the respective CVE pages: CVE-2023-25652, CVE-2023-29007, CVE-2023-22490, CVE-2023-23946, CVE-2023-25815.
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