ADVISORIES

• CVE-2018-1000074 (NVD)
• GHSA-qj2w-mw2r-pv39
• Vendor Advisory

GEM

rubygems-update

SEVERITY

CVSS v3.x: 7.8 (High)

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, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack requires the victim to run the gem owner command on a gem with a specially crafted YAML file. This vulnerability is 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/msg00017.html
• https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
• https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
• https://usn.ubuntu.com/3621-1/
• https://usn.ubuntu.com/3621-2/
• https://usn.ubuntu.com/3685-1/
• 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
• https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183