CVE-2018-8088: Improper Access Control in SLF4J
Summary
CVE-2018-8088: Improper Access Control in SLF4J. Affects org.slf4j:slf4j-ext across 2 version ranges.
< 1.7.26
>= 1.8.0-alpha0, < 1.8.0-beta4
Fixed in 1.7.26 or 1.8.0-beta4, depending on the release line you run. How to fix ↓
Also tracked for
- libslf4j-java · Debian:11
The same CVE-2018-8088 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
SLF4J is a logging facade for Java applications, providing a simple and efficient way to log messages. The slf4j-ext module in QOS.CH SLF4J is an extension that allows for additional functionality. However, versions of SLF4J prior to 1.7.26 and 2.0.x series are vulnerable to an improper access control issue in the org.slf4j.ext.EventData class. This vulnerability can be exploited by remote attackers to bypass intended access restrictions by sending crafted data.
Vulnerability Detail
The vulnerability in SLF4J allows remote attackers to bypass access restrictions by exploiting the improper access control issue in the org.slf4j.ext.EventData class. This can lead to unauthorized access to sensitive information or the execution of arbitrary code. The vulnerability has a CVSS score of 9.8, indicating its critical severity.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 1.7.261.7.26 -
>= 1.8.0-alpha0, < 1.8.0-beta41.8.0-beta4
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Workaround
There is no known workaround for this vulnerability. It is necessary to upgrade to the fixed version of SLF4J to mitigate the risk.
Conclusion
The vulnerability in SLF4J can be mitigated by upgrading to the fixed version of the library. It is recommended to update the SLF4J dependency in the project's pom.xml file to version 1.7.26 or later, or the 2.0.x series. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
SLF4J is a logging facade for Java applications that provides a simple and efficient way to log messages.
The slf4j-ext module in QOS.CH SLF4J is an extension that allows for additional functionality beyond the core SLF4J library.
The vulnerability can be exploited by remote attackers who send crafted data to the org.slf4j.ext.EventData class, bypassing intended access restrictions.
Exploiting this vulnerability can lead to unauthorized access to sensitive information or the execution of arbitrary code.
The CVSS score of this vulnerability is 9.8, indicating its critical severity.
