CVE-2018-1000076
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 Improper Verification of Cryptographic Signature…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.93% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- rubygems/rubygems · debian/debian linux
- Source
- cve@mitre.org
References
- http://blog.rubygems.org/2018/02/15/2.7.6-released.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- 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://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00000.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00001.htmlThird Party Advisory
- 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.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- 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://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00000.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00001.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.