ADVISORIES
GEM
SEVERITY
CVSS v3.x: 9.8 (Critical)
UNAFFECTED VERSIONS
- < 2.2.0
PATCHED VERSIONS
- >= 2.7.6
DESCRIPTION
RubyGems 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, and Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contain an Improper Verification of Cryptographic Signature vulnerability in package.rb. This can result in a mis-signed gem being installed, as the tarball would contain multiple gem signatures. This vulnerability has been fixed in 2.7.6.
RELATED
- https://access.redhat.com/errata/RHSA-2018:3729
- https://access.redhat.com/errata/RHSA-2018:3730
- https://access.redhat.com/errata/RHSA-2018:3731
- https://access.redhat.com/errata/RHSA-2019:2028
- https://access.redhat.com/errata/RHSA-2020:0542
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0663
- https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
- https://usn.ubuntu.com/3621-1/
- https://www.debian.org/security/2018/dsa-4219
- https://www.debian.org/security/2018/dsa-4259
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7