SLUB Event Registration Extension CVE-2019-16700 Arbitrary File Upload Vulnerability

Description

SLUB Event Registration Extension is prone to an arbitrary-file-upload vulnerability. A remote attacker can leverage this issue to execute arbitrary code within the context of the application, upload arbitrary code and execute it and execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks. . SLUB Event Registration Extension version 3.0.2 and prior are vulnerable.

Technologies Affected

• SLUB Event Registration 1.1.0
• SLUB Event Registration 1.2.0
• SLUB Event Registration 1.2.2
• SLUB Event Registration 1.4.0
• SLUB Event Registration 2.2.0
• SLUB Event Registration 2.3.0
• SLUB Event Registration 2.4.0
• SLUB Event Registration 2.4.1
• SLUB Event Registration 2.4.2
• SLUB Event Registration 2.4.3
• SLUB Event Registration 3.0.0
• SLUB Event Registration 3.0.1
• SLUB Event Registration 3.0.2

Recommendations

Block external access at the network boundary, unless external parties require service.
If global access isn’t needed, filter access to the affected computer at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of successful exploits.

Run all software as a nonprivileged user with minimal access rights.
To limit the consequences of a successful exploit, run server processes within a restricted environment using facilities such as chroot or jail.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity such as requests containing suspicious URI sequences. Since the webserver may log such requests, review its logs regularly.

Updates are available. Please see the references or vendor advisory for more information.