SB2018020829 - Input validation error in Etherpad
Published: February 8, 2018 Updated: July 17, 2020
Security Bulletin ID
SB2018020829
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2018-6835)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.
Remediation
Install update from vendor's website.