Vulnerability in Zimbra Collaboration
CVE-2022-41347
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). The Sudo configuration permits the zimbra user to execute the NGINX binary as root with arbitrary parameters. As part of its intended functionality, NGINX can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS 0.004, 36.5th percentile (scored ); unchanged over 30 days. About EPSS.
Affected products
- Zimbra Collaboration — versions 8.8.15, 9.0.0
References
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
- wiki.zimbra.com/wiki/Security_Center (Patch, Vendor Advisory)
- darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/ (Exploit, Third Party Advisory)
- github.com/darrenmartyn/zimbra-hinginx (Third Party Advisory)