SB2021093003 - Information disclosure in Parse Server
Published: September 30, 2021
Security Bulletin ID
SB2021093003
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to LiveQuery includes users' session token into payloads. If a user has a LiveQuery subscription on the Parse.User class, all session tokens created during user sign-ups will be broadcast as part of the LiveQuery payload. A remote attacker can obtain the session token from the broadcasted payload and reuse it to bypass authentication.
Remediation
Install update from vendor's website.