Vulnerability CVE-2020-27223
Published: 2021-02-26

Description:
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.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Eclipse -> Jetty 

 References:
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/r0e25cdf3722a24c53049d37396f0da8502cb4b7cdc481650dc601dbc@%3Cgitbox.activemq.apache.org%3E
https://lists.apache.org/thread.html/r1b7ed296a865e3f1337a96ee9cd51f6d154d881a30da36020ca72a4b@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/r2c2c7b2971360fb946bbf062c58d7245927dd1ce9150fc9987f65409@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/r35ab810c0f3016b3fd3a3fa9088a2d2781b354a810780ce74d022b6c@%3Cdev.kafka.apache.org%3E
https://lists.apache.org/thread.html/r3ce0e31b25ad4ee8f7c42b62cfdc72d1b586f5d6accd23f5295b6dd1@%3Cdev.kafka.apache.org%3E
https://lists.apache.org/thread.html/r5612dc69e1f79c421faf9764ffbc92591e2a69ea417c04cba57f49ea@%3Cuser.karaf.apache.org%3E
https://lists.apache.org/thread.html/r562a0cbc5c8cac4d000a27b2854a8ab1b924aa9dd45f8ffbea98e5ad@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/r7fbdb7880be1566f943d80fbbeefde2115c086eba1bef3115350a388@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/ra384892bab8c03a60613a6a9d5e9cae0a2b800fd882792a55520115e@%3Ccommits.kafka.apache.org%3E
https://lists.apache.org/thread.html/ra47a26c008487b0a739a368c846e168de06c3cd118d31ecedafa679a@%3Cdev.kafka.apache.org%3E
https://lists.apache.org/thread.html/rc052fd4e9e9c01bead74c0b5680355ea5dc3b72d46f253cb65d03e43@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/rd8e24a3e482e5984bc8c5492dc790413e4fdc1234e3debb94515796b@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/rdd6c47321db1bfe12c68a898765bf3b6f97e2afa6a501254ed4feaed@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/re0d38cc2b5da28f708fc89de49036f3ace052c47a1202f7d70291614@%3Cdev.kafka.apache.org%3E
https://lists.apache.org/thread.html/re819198d4732804dc01fca8b5b144689a118ede49f6128968773595c@%3Ccommits.kafka.apache.org%3E
https://lists.apache.org/thread.html/rff630ce92a4d1bb494fc1a3f9b57a3d60819b436505bcd8c6ccc713c@%3Ccommits.kafka.apache.org%3E
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