CVE-2017-17742

NameCVE-2017-17742
DescriptionRuby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.
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)
ReferencesDLA-1358-1, DLA-1359-1, DLA-1421-1, DLA-2027-1, DLA-2330-1, DSA-4259-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jruby (PTS)stretch1.7.26-1+deb9u1vulnerable
stretch (security)1.7.26-1+deb9u2fixed
bullseye, sid, buster9.1.17.0-3vulnerable
ruby2.3 (PTS)stretch2.3.3-1+deb9u8fixed
stretch (security)2.3.3-1+deb9u7fixed
ruby2.5 (PTS)buster, buster (security)2.5.5-3+deb10u2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jrubysourcejessie1.5.6-9+deb8u2DLA-2027-1
jrubysourcestretch1.7.26-1+deb9u2DLA-2330-1
jrubysource(unstable)(unfixed)
ruby1.8sourcewheezy1.8.7.358-7.1+deb7u6DLA-1359-1
ruby1.8source(unstable)(unfixed)
ruby1.9.1sourcewheezy1.9.3.194-8.1+deb7u8DLA-1358-1
ruby1.9.1source(unstable)(unfixed)
ruby2.1sourcejessie2.1.5-2+deb8u4DLA-1421-1
ruby2.1source(unstable)(unfixed)
ruby2.3sourcestretch2.3.3-1+deb9u3DSA-4259-1
ruby2.3source(unstable)(unfixed)
ruby2.5source(unstable)2.5.1-1

Notes

https://www.ruby-lang.org/en/news/2018/03/28/http-response-splitting-in-webrick-cve-2017-17742/
https://github.com/jruby/jruby/releases/tag/9.2.12.0

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