CVE-2022-29180 : What You Need to Know

A vulnerability in the Charm software allows attackers to forge HTTP requests, potentially manipulating the

charm

data directory to access or delete server files. The issue affects versions >= 0.9.0 and < 0.12.1. Immediate patching is advised.

Understanding CVE-2022-29180

Charm software is vulnerable to server-side request forgery (SSRF) due to inadequate input validation, enabling attackers to exploit the

charm

data directory.

What is CVE-2022-29180?

CVE-2022-29180 is a security vulnerability in the Charm software that allows attackers to manipulate HTTP requests, leading to unauthorized access and potential data deletion on the server.

The Impact of CVE-2022-29180

The vulnerability has a CVSS v3.1 base score of 5.9, indicating a medium-severity issue with high confidentiality impact and low integrity impact. Attackers can perform SSRF attacks through network vectors with low privileges required.

Technical Details of CVE-2022-29180

Vulnerability Description

The vulnerability in Charm software enables attackers to manipulate HTTP requests, potentially accessing or deleting sensitive server files.

Affected Systems and Versions

Charm versions >= 0.9.0 and < 0.12.1 are impacted by this vulnerability. Users of self-hosted

charm

instances are advised to update to release v0.12.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by forging HTTP requests to target the

charm

data directory, leading to unauthorized access or file deletion.

Mitigation and Prevention

Immediate Steps to Take

All users running self-hosted

charm

instances should update to release v0.12.1 immediately to patch the SSRF vulnerability and prevent exploitation.

Long-Term Security Practices

Implement robust input validation mechanisms and regularly monitor for SSRF vulnerabilities to enhance the security posture of Charm software.

Patching and Updates

Stay informed about security updates from Charmbracelet and apply patches promptly to mitigate the risk of SSRF attacks.