Deserialization of Untrusted Data in Groupware Webmail Edition - #VU45955

 

Deserialization of Untrusted Data in Groupware Webmail Edition - #VU45955

Published: August 22, 2020


Vulnerability identifier: #VU45955
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Horde Project
Affected software:
Groupware Webmail Edition

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data passed via the remote_cals parameter  to remote_unsubscribe.php script. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources