Serialization Vulnerability in Logback Package: CVE-2017-5929
Summary
CVE-2017-5929: QOS.ch Logback before 1.2.0 has a serialization vulnerability affecting the SocketServer and ServerSocketReceiver components. Affects logback across 2 version ranges.
< 1:1.1.9-3
< dc4ed6962985897ea4a3a0318111cdef6993d620
Fixed in 1:1.1.9-3. How to fix ↓
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Background
Logback is a popular logging framework for Java applications, designed to provide reliable and efficient logging capabilities. It is widely used due to its flexibility and performance. However, prior to version 1.2.0, Logback contained a serialization vulnerability that affected its SocketServer and ServerSocketReceiver components, potentially allowing unauthorized access to sensitive data.
Vulnerability Detail
CVE-2017-5929 is a serialization vulnerability found in QOS.ch Logback versions before 1.2.0. This vulnerability arises from improper handling of serialized data in the SocketServer and ServerSocketReceiver components. An attacker could exploit this flaw to execute arbitrary code on the server, leading to severe consequences such as data breaches or system compromise. The CVSS score for this vulnerability is 9.8, indicating a critical level of risk.
How To Fix
Minimum fixed version
1:1.1.9-3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade logbackTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading is not immediately possible, consider disabling the affected components (SocketServer and ServerSocketReceiver) in your application configuration to mitigate the risk until a proper upgrade can be performed.
Conclusion
CVE-2017-5929 represents a significant security risk for applications using vulnerable versions of the Logback logging framework. It is crucial for developers and system administrators to upgrade to the latest version to protect against potential exploitation. Utilizing tools like Vulert can help in monitoring and managing open-source vulnerabilities effectively.
See every vulnerability recorded for logback →
FAQ
CVE-2017-5929 is a critical serialization vulnerability in the Logback logging framework that allows attackers to exploit the SocketServer and ServerSocketReceiver components.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. By simply uploading your manifest file like package-lock.json, you can check if your application is affected by CVE-2017-5929.
Exploitation of this vulnerability could lead to unauthorized access to sensitive data, arbitrary code execution, and potential system compromise.
Yes, upgrading to Logback version 1.1.9-3 or later will mitigate the vulnerability.
As a temporary measure, you can disable the SocketServer and ServerSocketReceiver components in your application configuration to reduce the risk of exploitation.
Related vulnerabilities
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