CVE-2017-0902

NameCVE-2017-0902
DescriptionRubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1421-1, DSA-3966-1
Debian Bugs873802

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
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
ruby1.9.1sourcewheezy(not affected)
ruby1.9.1source(unstable)(unfixed)
ruby2.1sourcejessie2.1.5-2+deb8u4DLA-1421-1
ruby2.1source(unstable)(unfixed)
ruby2.3sourcestretch2.3.3-1+deb9u1DSA-3966-1
ruby2.3source(unstable)2.3.3-1+deb9u1873802
rubygemssourcewheezy(not affected)
rubygemssource(unstable)3.2.0~rc.1-1

Notes

[wheezy] - ruby1.9.1 <not-affected> (Vulnerable code introduced later)
[wheezy] - rubygems <not-affected> (Vulnerable code introduced later)
https://www.ruby-lang.org/en/news/2017/08/29/multiple-vulnerabilities-in-rubygems/
http://blog.rubygems.org/2017/08/27/2.6.13-released.html
For Ruby 2.3.4: https://bugs.ruby-lang.org/attachments/download/6691/rubygems-2613-ruby23.patch
For Ruby 2.2.7: https://bugs.ruby-lang.org/attachments/download/6690/rubygems-2613-ruby22.patch

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