SB2017070713 - Path traversal in Etherpad



SB2017070713 - Path traversal in Etherpad

Published: July 7, 2017 Updated: December 28, 2020

Security Bulletin ID SB2017070713
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-2015-3297)

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 node/utils/Minify.js in Etherpad 1.1.1 through 1.5.2. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read arbitrary files by leveraging replacement of backslashes with slashes in the path parameter of HTTP API requests.


Remediation

Install update from vendor's website.