XXE attack in Open-Xchange App Suite - CVE-2018-9998
Published: July 3, 2018
Vulnerability identifier: #VU13546
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-9998
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Open-Xchange Inc
Affected software:
Open-Xchange App Suite
Open-Xchange App Suite
Detailed vulnerability description
The disclosed vulnerability allows a remote authenticated attacker to perform XXE attack.
The vulnerability exists due to an error when requesting task folders. A remote attacker can send specially crafted XML external entity data and cause the target system to disclose the name of 'foreign' folders belonging to other users in the same context.
How to mitigate CVE-2018-9998
Update to versions 7.6.3-rev37, 7.8.2-rev40, 7.8.3-rev48, 7.8.4-rev28.