Critical Security Vulnerability in dbus Package: Red Hat Advisory RHSA-2020:3014
Summary
RHSA-2020:3014: Red Hat Security Advisory: dbus security update. Affects dbus versions < 1:1.12.8-10.el8_2. Fixed in 1:1.12.8-10.el8_2. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The dbus package is a message bus system that provides a simple way for inter-process communication. It allows applications to communicate with one another and is a fundamental component in many Linux distributions, including Red Hat Enterprise Linux. The dbus package is essential for the functioning of various services and applications, making its security paramount.
Vulnerability Detail
The vulnerability identified in the dbus package is a security flaw that could allow an attacker to exploit the system through improper handling of messages. This vulnerability may lead to unauthorized access or denial of service, potentially compromising the integrity and availability of the system. The issue originates from a flaw in the message handling mechanism, which can be exploited if the dbus service is not properly secured.
How To Fix
Minimum fixed version
1:1.12.8-10.el8_2
This is the first release that contains the fix.
sudo dnf update dbusTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate patching is not feasible, consider restricting access to the dbus service by modifying the system's firewall rules or disabling unnecessary services that rely on dbus. This can help mitigate the risk until the package is updated.
Conclusion
The dbus package vulnerability poses a significant risk to systems running Red Hat Enterprise Linux. It is crucial to update to the patched version to ensure the security and integrity of your applications. Implementing workarounds can provide temporary relief, but timely updates are essential for long-term security.
See every vulnerability recorded for dbus →
FAQ
The CVSS score of this vulnerability is 6.5, indicating a medium severity level.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
Failure to address this vulnerability may lead to unauthorized access, data breaches, or service disruptions, impacting the overall security of your system.
Yes, you can restrict access to the dbus service or disable unnecessary services that depend on it as a temporary measure.
Detailed information can be found in the Red Hat Security Advisory RHSA-2020:3014, which provides insights into the vulnerability and its implications.
Related vulnerabilities
Recent vulnerabilities recorded for dbus.
