#VU56933 Information disclosure in Parse Server
Published: September 30, 2021
Vulnerability identifier: #VU56933
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Parse Server
Parse Server
Software vendor:
Parse Community
Parse Community
Description
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 updates from vendor's website.