CVE-2018-1000076
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Rubygems
PublishedMar 13, 2018
First seenMar 13, 2018
How to fix
Update
- rubygems-update2.7.6 or later
- org.jruby:jruby-stdlib9.1.16.0 or later
Vendor advisories
- debian.org/security/2018/dsa-4219
- usn.ubuntu.com/3621-1/
- access.redhat.com/errata/RHSA-2018:3729
- access.redhat.com/errata/RHSA-2018:3730
- access.redhat.com/errata/RHSA-2018:3731
- debian.org/security/2018/dsa-4259
- access.redhat.com/errata/RHSA-2019:2028
- access.redhat.com/errata/RHSA-2020:0542
- access.redhat.com/errata/RHSA-2020:0591
- access.redhat.com/errata/RHSA-2020:0663
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rubygems rubygems | v ≤ 2.2.9, v ≤ 2.3.6, v ≤ 2.4.3, v ≤ 2.5.0 | — |
| debian debian_linux | 7.0 | — |
| rubygems-updateRubyGems | 2.2.0 ≤ v < 2.7.6 | 2.7.6 |
| org.jruby:jruby-stdlibMaven | v < 9.1.16.0 | 9.1.16.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.