CVE-2018-1000076

NameCVE-2018-1000076
DescriptionRubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.. This vulnerability appears to have been fixed in 2.7.6.
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-1336-1, DLA-1337-1, DLA-1358-1, DLA-1421-1, DLA-1796-1, DSA-4219-1, DSA-4259-1
NVD severityhigh
Debian Bugs895778

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jruby (PTS)jessie1.5.6-9vulnerable
jessie (security)1.5.6-9+deb8u2fixed
stretch (security), stretch1.7.26-1+deb9u1fixed
bullseye, sid, buster9.1.17.0-3fixed
ruby2.1 (PTS)jessie2.1.5-2+deb8u3vulnerable
jessie (security)2.1.5-2+deb8u8fixed
ruby2.3 (PTS)stretch2.3.3-1+deb9u6fixed
stretch (security)2.3.3-1+deb9u7fixed
ruby2.5 (PTS)buster2.5.5-3fixed
buster (security)2.5.5-3+deb10u1fixed
bullseye, sid2.5.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jrubysource(unstable)9.1.17.0-1895778
jrubysourcejessie1.5.6-9+deb8u1DLA-1796-1
jrubysourcestretch1.7.26-1+deb9u1DSA-4219-1
jrubysourcewheezy1.5.6-5+deb7u1DLA-1337-1
ruby1.9.1source(unstable)(unfixed)
ruby1.9.1sourcewheezy1.9.3.194-8.1+deb7u8DLA-1358-1
ruby2.1source(unstable)(unfixed)
ruby2.1sourcejessie2.1.5-2+deb8u4DLA-1421-1
ruby2.3source(unstable)(unfixed)
ruby2.3sourcestretch2.3.3-1+deb9u3DSA-4259-1
ruby2.5source(unstable)2.5.0-5
rubygemssource(unstable)(unfixed)
rubygemssourcewheezy1.8.24-1+deb7u2DLA-1336-1

Notes

https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/

Search for package or bug name: Reporting problems