5.4

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CVE-2013-4112

CVE-2013-4112: Exposure of Sensitive Information to an Unauthorized Actor in JGroup

The DiagnosticsHandler in JGroup 3.0.x, 3.1.x, 3.2.x before 3.2.9, and 3.3.x before 3.3.3 allows remote attackers to obtain sensitive information (diagnostic information) and execute arbitrary code by reusing valid credentials.

(GitHub Advisory)

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CVE-2013-4112

CVE-2013-4112:

5.4

CVSS Score

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
org.jgroups:jgroups	maven	>= 3.0.0, <= 3.2.8.Final	3.2.9.Final
org.jgroups:jgroups	maven	>= 3.3.0, <= 3.3.2.Final	3.3.3.Final

Technical Details

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Root Cause Analysis

The vulnerability centers on JGroups' DiagnosticsHandler authentication mechanism. While exact patch diffs aren't provided, multiple authoritative sources:

Explicitly name DiagnosticsHandler as the vulnerable component
Describe credential reuse attacks
Show fixes in JGroups versions 3.2.9/3.3.3

In JGroups architecture, the handle() method is the entry point for processing diagnostic requests, making it the logical location for authentication checks. The presence of credential caching/reuse suggests either the main request handler or a dedicated authentication method would retain stale credentials. The high confidence for handle() comes from direct advisory references, while authenticate() is inferred from the vulnerability pattern.

Vulnerable functions

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WAF Rule

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Reasoning

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