CVE-2020-11996

Name
CVE-2020-11996
Description
A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Mailing List https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcbe0312ef204a00a2e0%40%3Cannounce.tomcat.apache.org%3E
Mailing List https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cfa95d0cd682d90d338@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f15efb38f5853e2760@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b9bf6c5e635c53ff4b@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561@%3Ccommits.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b@%3Ccommits.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45c4d9fee3dc789dca9@%3Ccommits.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b88fa109b76c83db52@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c@%3Cnotifications.ofbiz.apache.org%3E
Mailing List https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9@%3Cnotifications.ofbiz.apache.org%3E
Third Party Advisory https://security.netapp.com/advisory/ntap-20200709-0002/
Mailing List https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html
Third Party Advisory https://www.debian.org/security/2020/dsa-4727
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html
Mailing List https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79@%3Cusers.tomcat.apache.org%3E
Third Party Advisory https://www.oracle.com/security-alerts/cpuoct2020.html
Third Party Advisory https://usn.ubuntu.com/4596-1/
Third Party Advisory https://www.oracle.com/security-alerts/cpujan2021.html
Mailing List https://lists.apache.org/thread.html/r5a4f80a6acc6607d61dae424b643b594c6188dd4e1eff04705c10db2@%3Cnotifications.ofbiz.apache.org%3E

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* tomcat >= 8.5.0 <= 8.5.55
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* tomcat >= 9.0.0 <= 9.0.35
cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* tomcat == None == 9.0.0
cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:* tomcat == None == 10.0.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status