CVE-2015-3900

NameCVE-2015-3900
DescriptionRubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs790111, 790119

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jruby (PTS)buster9.1.17.0-3fixed
buster (security)9.1.17.0-3+deb10u1fixed
bookworm9.3.9.0+ds-8fixed
sid, trixie9.4.6.0+ds-1.1fixed
rubygems (PTS)bullseye3.2.5-2fixed
bookworm3.3.15-2fixed
sid, trixie3.4.20-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jrubysourcesqueeze(not affected)
jrubysourcewheezy(not affected)
jrubysourcejessie(not affected)
jrubysource(unstable)1.7.20.1-2
libgems-rubysource(unstable)(not affected)
ruby1.8source(unstable)(not affected)
ruby1.9.1source(unstable)(not affected)
ruby2.1sourcejessie2.1.5-2+deb8u2
ruby2.1source(unstable)2.1.5-4790119
ruby2.2source(unstable)2.2.2-3790111
rubygemssource(unstable)(not affected)

Notes

- rubygems <not-affected> (Affects versions between 2.0 and 2.4.6)
- libgems-ruby <not-affected> (Affects versions between 2.0 and 2.4.6)
- ruby1.8 <not-affected> (Vulnerable code not present)
- ruby1.9.1 <not-affected> (Bundles 1.8.23, vulnerable code introduced in later 1.9.1 versions)
[jessie] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
[wheezy] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
[squeeze] - jruby <not-affected> (Vulnerable code introduced with 1.7.19)
https://github.com/rubygems/rubygems/commit/6bbee35
https://github.com/rubygems/rubygems/commit/5c7bfb5
http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html

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