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io.undertow:undertow-core@2.3.13.Final vulnerabilities

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Direct Vulnerabilities

Known vulnerabilities in the io.undertow:undertow-core package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Race Condition

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Race Condition due to the reuse of the StringBuilder instance in the ProxyProtocolReadListener across multiple requests. An attacker can access data from previous requests or responses by exploiting the shared usage of the StringBuilder.

This vulnerability primarily results in errors and connection termination but creates a risk of data leakage in multi-request environments.

How to fix Race Condition?

Upgrade io.undertow:undertow-core to version 2.2.36.Final, 2.3.17.Final or higher.

[,2.2.36.Final) [2.3.0.Alpha1,2.3.17.Final)
  • L
Memory Leak

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Memory Leak when the learning-push handler is configured with the default maxAge of -1. An attacker who can send normal HTTP requests may consume excessive memory.

How to fix Memory Leak?

Upgrade io.undertow:undertow-core to version 2.2.37.Final, 2.3.18.Final or higher.

[,2.2.37.Final) [2.3.0.Alpha1,2.3.18.Final)
  • H
Uncontrolled Resource Consumption

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Uncontrolled Resource Consumption through the handling of URL-encoded request path information on ajp-listener. An attacker can cause the server to process incorrect paths, leading to a disruption of service by sending specially crafted concurrent requests.

How to fix Uncontrolled Resource Consumption?

Upgrade io.undertow:undertow-core to version 2.2.33.Final, 2.3.14.Final or higher.

[,2.2.33.Final) [2.3.0.Final,2.3.14.Final)
  • H
Uncontrolled Resource Consumption ('Resource Exhaustion')

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to Uncontrolled Resource Consumption ('Resource Exhaustion') due to insufficient limitations on the amount of CONTINUATION frames that can be sent within a single stream. An attacker can use up compute or memory resources to cause a disruption in service by sending packets to vulnerable servers.

How to fix Uncontrolled Resource Consumption ('Resource Exhaustion')?

Upgrade io.undertow:undertow-core to version 2.2.33.Final, 2.3.14.Final or higher.

[,2.2.33.Final) [2.3.0.Final,2.3.14.Final)
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