Uncontrolled Recursion Affecting io.undertow:undertow-core package, versions [,2.2.34.Final)[2.3.0.Final,2.3.8.Final)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Jul 2024
- disclosed8 Jul 2024
- creditUnknown
Introduced: 8 Jul 2024
CVE-2024-5971 (opens in a new tab)How to fix?
Upgrade io.undertow:undertow-core to version 2.2.34.Final, 2.3.8.Final or higher.
Overview
io.undertow:undertow-core is a Java web server based on non-blocking IO.
Affected versions of this package are vulnerable to Uncontrolled Recursion in chunked response handling. An attacker can cause a client to wait indefinitely by sending excessive data without a 0\r\n termination sequence in chunked responses, thereby disrupting service to the server.
Note: This is only exploitable when using NewSessionTicket functionality in TLS 1.3 on Java 17.