SB2021021519 - Etherpad security update for ejs



SB2021021519 - Etherpad security update for ejs

Published: February 15, 2021

Security Bulletin ID SB2021021519
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Code Injection (CVE-ID: N/A)

The vulnerability allows a remote attacker to execute arbitrary JS code on the target system.

The vulnerability exists due to improper input validation passed via the filename in lib/ejs.js. A remote attacker can send a specially crafted request and execute arbitrary JavaScript code in victim's browser.



Remediation

Install update from vendor's website.