GHSA-85q4-vgvj-3q28
GitHub Security Advisory
⚠ Unreviewed
CRITICAL
Has CVE
Advisory Details
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavisd via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also, pax is in the prerequisites of Zimbra on Ubuntu; however, pax is no longer part of a default Red Hat installation after RHEL 6 (or CentOS 6). Once pax is installed, amavisd automatically prefers it over cpio.
Related CVEs
Key Information
9.0
/10
Dataset
Last updated: October 5, 2025 6:32 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.