SB2020070610 - Information disclosure in Helm
Published: July 6, 2020
Security Bulletin ID
SB2020070610
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2020-4053)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences when installing Helm plugins from a tar archive over HTTP. A remote attacker can trick the victim to install a malicious plugin that can inject a relative path into a plugin archive, and copy a file outside of the intended directory.
Remediation
Install update from vendor's website.