Permissions, Privileges, and Access Controls in Zulip Server - CVE-2022-31134
Published: July 28, 2022
Vulnerability identifier: #VU65857
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-31134
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to improper privilege management in the export public data feature. As a result, all privately uploaded files were made accessible during export, including files from private messages.
Affected software
Zulip Server
How to mitigate CVE-2022-31134
Install updates from vendor's website.
Zulip Server - update to 5.4