January 8, 2020
Apache Olingo is prone to an access-bypass vulnerability. Attackers can exploit this issue to bypass certain security restrictions to perform unauthorized actions. This may aid in further attacks. Apache Olingo versions prior to 4.7.1 are vulnerable.
- Apache Olingo 4.0.0
- Apache Olingo 4.1.0
- Apache Olingo 4.2.0
- Apache Olingo 4.3.0
- Apache Olingo 4.4.0
- Apache Olingo 4.5.0
- Apache Olingo 4.6.0
- Apache Olingo 4.7.0
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 a successful exploit.
Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity such as unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.
Do not use client software to access unknown or untrusted hosts from critical systems.
To reduce the likelihood of exploits, connect to only trusted hosts and servers.
Updates are available. Please see the references or vendor advisory for more information.
Artem Smotrakov of SAP SE
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