CVE-2020-27223

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

Summary:

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

Reference Links(if available):

  • https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128
  • https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7
  • https://lists.apache.org/thread.html/r5612dc69e1f79c421faf9764ffbc92591e2a69ea417c04cba57f49ea@%3Cuser.karaf.apache.org%3E
  • https://lists.apache.org/thread.html/rd8e24a3e482e5984bc8c5492dc790413e4fdc1234e3debb94515796b@%3Cjira.kafka.apache.org%3E
  • https://lists.apache.org/thread.html/r1b7ed296a865e3f1337a96ee9cd51f6d154d881a30da36020ca72a4b@%3Cjira.kafka.apache.org%3E
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    Links to Exploits(if available)