CVE-2018-5751 Explained : Impact and Mitigation
Learn about CVE-2018-5751 affecting Open-Xchange OX App Suite versions prior to 7.6.3-rev36, 7.8.x prior to 7.8.2-rev39, 7.8.3 prior to 7.8.3-rev44, and 7.8.4 prior to 7.8.4-rev22. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Open-Xchange OX App Suite versions prior to 7.6.3-rev36, 7.8.x prior to 7.8.2-rev39, 7.8.3 prior to 7.8.3-rev44, and 7.8.4 prior to 7.8.4-rev22 have a vulnerability that allows remote authenticated users to access confidential information about external guest users.
Understanding CVE-2018-5751
This CVE involves a vulnerability in the backend component of Open-Xchange OX App Suite that could be exploited by remote authenticated users.
What is CVE-2018-5751?
The vulnerability in Open-Xchange OX App Suite versions prior to specified releases allows remote authenticated users to obtain sensitive information about external guest users through certain APIs.
The Impact of CVE-2018-5751
The vulnerability enables remote authenticated users to access confidential information about external guest users through the "groups" and "users" APIs.
Technical Details of CVE-2018-5751
This section provides more technical insights into the CVE.
Vulnerability Description
The backend component in affected versions of Open-Xchange OX App Suite allows remote authenticated users to obtain sensitive information about external guest users via specific APIs.
Affected Systems and Versions
- Open-Xchange OX App Suite versions prior to 7.6.3-rev36
- Open-Xchange OX App Suite 7.8.x prior to 7.8.2-rev39
- Open-Xchange OX App Suite 7.8.3 prior to 7.8.3-rev44
- Open-Xchange OX App Suite 7.8.4 prior to 7.8.4-rev22
Exploitation Mechanism
The vulnerability can be exploited by remote authenticated users through the "groups" and "users" APIs to access confidential information about external guest users.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial.
Immediate Steps to Take
- Apply the necessary security patches provided by Open-Xchange promptly.
- Monitor and restrict access to sensitive information for authenticated users.
Long-Term Security Practices
- Regularly update and patch the Open-Xchange OX App Suite to the latest secure versions.
- Conduct security training for users to prevent unauthorized access to confidential data.
Patching and Updates
Ensure that all systems running Open-Xchange OX App Suite are regularly updated with the latest security patches to mitigate the risk of exploitation.