SB2021040817 - Path traversal in Ruby 



SB2021040817 - Path traversal in Ruby

Published: April 8, 2021

Security Bulletin ID SB2021040817
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Path traversal (CVE-ID: CVE-2021-28966)

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 tmpdir library. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.