SB2025011708 - Information disclosure in Zulip Server
Published: January 17, 2025
Security Bulletin ID
SB2025011708
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2024-56136)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the /api/v1/jwt/fetch_api_key endpoint. A remote attacker can make a request and determine if an email address is in use by a user.
Remediation
Install update from vendor's website.