#VU13546 XXE attack in Open-Xchange App Suite - CVE-2018-9998
Published: July 3, 2018
Vulnerability identifier: #VU13546
Vulnerability risk: Low
CVSSv4.0: 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
Vulnerable software:
Open-Xchange App Suite
Open-Xchange App Suite
Software vendor:
Open-Xchange Inc
Open-Xchange Inc
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.
Remediation
Update to versions 7.6.3-rev37, 7.8.2-rev40, 7.8.3-rev48, 7.8.4-rev28.