VulnerabilityModified
CVE-2022-41347
The Sudo configuration permits the zimbra user to execute the NGINX binary as root with arbitrary parameters.
HIGH 7.8EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Affected
- zimbra/collaboration
- Source
- cve@mitre.org
References
- https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/Exploit, Third Party Advisory
- https://github.com/darrenmartyn/zimbra-hinginxThird Party Advisory
- https://wiki.zimbra.com/wiki/Security_CenterPatch, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/Exploit, Third Party Advisory
- https://github.com/darrenmartyn/zimbra-hinginxThird Party Advisory
- https://wiki.zimbra.com/wiki/Security_CenterPatch, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.