SB2018021211 - Information disclosure in Sinatra
Published: February 12, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2018-7212)
The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information on the target system.
The weakness exists due to insufficient path validation in the rack-protection feature when running on Microsoft Windows systems. A remote attacker can send a specially crafted request with a series of backslash characters, trigger path traversal and access potentially sensitive information.
Remediation
Install update from vendor's website.