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Security Advisories: GSA_kwCzR0hTQS1tYzZqLWg5NDgtdjJwNs4AATbI

RubyGems Improper Verification of Cryptographic Signature vulnerability

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.

Permalink: https://github.com/advisories/GHSA-mc6j-h948-v2p6
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tYzZqLWg5NDgtdjJwNs4AATbI
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 1 year ago
Updated: 7 months ago


CVSS Score: 9.8
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-mc6j-h948-v2p6, CVE-2018-1000076
References:

Affected Packages

maven:org.jruby:jruby-stdlib
Versions: < 9.1.16.0
Fixed in: 9.1.16.0
rubygems:rubygems-update
Versions: >= 2.2.0, < 2.7.6
Fixed in: 2.7.6