Headline
CVE-2023-50453: Security Advisory ZAA-2023-08 | Zammad
An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.
Security Advisory
December 6, 2023 · Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send us information regarding vulnerabilities in Zammad!
Security Advisory Details
- ID: ZAA-2023-08
- Date: 2023-12-06
- Title: Information Disclosure
- Severity: low
- Product: Zammad 6.1.x
- Fixed in: Zammad 6.2.0
- References:
–> pending CVE assignment
Vulnerability Descriptions****Information Disclosure
Zammad uses the public endpoint /api/v1/signshow for its login screen. This endpoint would return internal configuration data of user object attributes, like selectable values, which should not be visible in public.
Special 🙏 and 🤘 and ❤️ to:
- N: Trinh Vu
- C: VNPT Cyber Immunity Center
- W: https://www.linkedin.com/in/sonicr/
Recommended Resolution
This vulnerability is fixed in the latest versions of Zammad and it is recommended to upgrade to one of these.
Fixed releases can be found at:
- https://zammad.org/
- https://ftp.zammad.com/
Or just update your Zammad if installed via OS package manager.
Additional information
Online version of this advisory: https://zammad.com/en/advisories/zaa-2023-08
Please send remarks on security issues exclusively to [email protected].