CVE-2018-17189

NameCVE-2018-17189
DescriptionIn Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.
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)
ReferencesDSA-4422-1
NVD severitymedium (attack range: remote)
Debian Bugs920302

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache2 (PTS)jessie2.4.10-10+deb8u12fixed
jessie (security)2.4.10-10+deb8u16fixed
stretch2.4.25-3+deb9u8fixed
stretch (security)2.4.25-3+deb9u9fixed
buster2.4.38-3+deb10u1fixed
buster (security)2.4.38-3+deb10u3fixed
bullseye, sid2.4.41-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apache2source(unstable)2.4.38-1low920302
apache2sourcejessie(not affected)
apache2sourcestretch2.4.25-3+deb9u7mediumDSA-4422-1

Notes

[jessie] - apache2 <not-affected> (Vulnerable code not present)
HTTP/2 support introduced in 2.4.17
https://www.openwall.com/lists/oss-security/2019/01/22/2
https://svn.apache.org/r1851329

Search for package or bug name: Reporting problems