CVE-2019-0199

NameCVE-2019-0199
DescriptionThe HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat8 (PTS)jessie8.0.14-1+deb8u11fixed
jessie (security)8.0.14-1+deb8u14fixed
stretch (security), stretch8.5.14-1+deb9u3vulnerable
tomcat9 (PTS)buster, sid9.0.16-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat8source(unstable)8.5.38-1medium
tomcat8sourcejessie(not affected)
tomcat9source(unstable)9.0.16-1medium

Notes

[jessie] - tomcat8 <not-affected> (HTTP/2 support not implemented)
https://bugzilla.redhat.com/show_bug.cgi?id=1693325
check if other versions might be affected.

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