CVE-2020-26947 : Vulnerability Insights and Analysis

Monero-wallet-gui in Monero GUI before version 0.17.1.0 contains a vulnerability that allows local users to gain privileges through a malicious library.

Understanding CVE-2020-26947

This CVE involves a security issue in Monero GUI that could be exploited by local users to elevate their privileges.

What is CVE-2020-26947?

CVE-2020-26947 is a vulnerability in Monero-wallet-gui in Monero GUI before version 0.17.1.0, enabling local users to escalate privileges by utilizing a Trojan horse library in the current working directory.

The Impact of CVE-2020-26947

The vulnerability allows local users to gain elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2020-26947

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue lies in Monero-wallet-gui including the . directory in an embedded RPATH, giving precedence over /usr/lib, enabling the exploitation by local users.

Affected Systems and Versions

Monero GUI versions before 0.17.1.0

Exploitation Mechanism

Local users can exploit the vulnerability by introducing a malicious library in the current working directory.

Mitigation and Prevention

Protecting systems from CVE-2020-26947 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Monero GUI to version 0.17.1.0 or newer.
Avoid running the GUI from directories where untrusted files may exist.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply patches and updates provided by Monero to address the vulnerability.