CVE-2018-1000076

Aliases:GHSA-mc6j-h948-v2p6
Advisory lineage Upstream: 0 Downstream: 22
Modified
Published: 13 Mar 2018, 15:00
Last modified:05 Aug 2024, 12:33

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
0.93% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Mar 2018, 15:00
Published
Vulnerability first disclosed
05 Aug 2024, 12:33
Last Modified
Vulnerability information updated

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 Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.93%• Percentile: 76%

Techniques & Countermeasures

  • CWE-347•Improper Verification of Cryptographic Signature

    The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Systems

  • debian•debian_linux

    7.0

  • RubyGems•rubygems-update

    ≥ 2.2.0, < 2.7.6

  • org.jruby•jruby-stdlib

    < 9.1.16.0

  • rubygems•rubygems

    ≤ 2.2.9 | ≤ 2.3.6 | ≤ 2.4.3 | ≤ 2.5.0

References (22)