SB2020070234 - Path traversal in Rubygem Rack
Published: July 2, 2020 Updated: September 23, 2022
Security Bulletin ID
SB2020070234
Severity
Medium
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-2020-8161)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in Rack::Directory app. A remote attacker can send a specially crafted request and read arbitrary files on the system.
Remediation
Install update from vendor's website.