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Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send information regarding vulnerabilities in Zammad to: security at zammad.com

Security Advisory Details

Vulnerability Descriptions

1 - Missing CSRF Token (CVE pending)

Due to a missing CSRF token at the login of a cookie based session, an attacker can create a fake login page and simulate a possible login in Zammad to get login data.

Special 🙏 and 🤘 and ❤️ to:

N: Ethan Jael B. Melegrito
D: Security Researcher
W: https://www.facebook.com/superngorks

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:

Or just update your Zammad if installed via OS package manager.

Additional information

Online version of this advisory: https://zammad.com/news/security-advisory-zaa-2019-01

Send all remarks to security issues to security @ zammad.com.