CVE-2023-29012 : Vulnerability Insights and Analysis

Git CMD erroneously executes

doskey.exe

in the current directory, if it exists

Understanding CVE-2023-29012

This CVE highlights an Uncontrolled Search Path Element vulnerability in Git for Windows prior to version 2.40.1. It allows the execution of

doskey.exe

if placed maliciously in an untrusted directory when Git CMD is launched.

What is CVE-2023-29012?

Git for Windows is the Windows port of Git, and this vulnerability impacts users of Git CMD who initiate the command in an untrusted directory. The flaw allows

doskey.exe

to be executed silently, posing a security risk.

The Impact of CVE-2023-29012

The vulnerability can lead to unauthorized code execution with high impact on confidentiality, integrity, and availability. Users running Git CMD in an untrusted directory are at risk of unintentionally executing malicious commands.

Technical Details of CVE-2023-29012

This section provides insights into the vulnerability's description, affected systems, and the exploitation mechanism.

Vulnerability Description

Prior to Git for Windows v2.40.1, an Uncontrolled Search Path Element vulnerability in Git CMD allows the unintended execution of

doskey.exe

if placed in an untrusted directory.

Affected Systems and Versions

The vulnerability affects Git for Windows versions earlier than 2.40.1. Users running Git CMD are susceptible to this security issue.

Exploitation Mechanism

Malicious placement of

doskey.exe

in an untrusted directory can exploit this vulnerability. When Git CMD is launched in such a location, the malicious payload is executed silently.

Mitigation and Prevention

Discover immediate steps to take and long-term security practices to safeguard your systems.

Immediate Steps to Take

To mitigate the risk, users should update to Git for Windows v2.40.1 or later. Additionally, avoid using Git CMD or ensure it is not initiated in an untrusted directory.

Long-Term Security Practices

Implement secure coding practices, regularly update software, and conduct security assessments to prevent similar vulnerabilities. Educate users on safe command execution practices.

Patching and Updates

Ensure timely application of security patches and updates to address known vulnerabilities and enhance system security.