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GHSA-r7m4-f9h5-gr79: Eclipse Jetty's PushSessionCacheFilter can cause remote DoS attacks

Impact

Jetty PushSessionCacheFilter can be exploited by unauthenticated users to launch remote DoS attacks by exhausting the server’s memory.

Patches

  • https://github.com/jetty/jetty.project/pull/9715
  • https://github.com/jetty/jetty.project/pull/9716

Workarounds

The session usage is intrinsic to the design of the PushCacheFilter. The issue can be avoided by:

  • not using the PushCacheFilter. Push has been deprecated by the various IETF specs and early hints responses should be used instead.
  • reducing the reducing the idle timeout on unauthenticated sessions will reduce the time such session stay in memory.
  • configuring a session cache to use session passivation, so that sessions are not stored in memory, but rather in a database or file system that may have significantly more capacity than memory.

References

  • https://github.com/jetty/jetty.project/pull/10756
  • https://github.com/jetty/jetty.project/pull/10755
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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2024-6762

Eclipse Jetty’s PushSessionCacheFilter can cause remote DoS attacks

Low severity GitHub Reviewed Published Oct 14, 2024 in jetty/jetty.project • Updated Oct 14, 2024

Package

maven org.eclipse.jetty:jetty-servlets (Maven)

Affected versions

>= 10.0.0, <= 10.0.17

>= 11.0.0, <= 11.0.17

>= 12.0.0, <= 12.0.3

Patched versions

10.0.18

11.0.18

12.0.4

Description

Published to the GitHub Advisory Database

Oct 14, 2024

Last updated

Oct 14, 2024

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