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 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.

• CVE ID
• CVE-2018-1000076

• Assigner
• cve@mitre.org

• Vulnerability Status
• Modified

• Published Version
• 2018-03-13T15:29:00

• Last Modified Date
• 2019-05-20T13:29:02

• Version
• 2.0

• Vector String
• AV:N/AC:L/Au:N/C:P/I:P/A:P

• Access Vector
• NETWORK

• Access Compatibility
• LOW

• Authentication
• NONE

• Confidentiality Impact
• PARTIAL

• Integrity Impact
• PARTIAL

• Availability Impact
• PARTIAL

• Base Score
• 7.5

• Severity
• HIGH

• Exploitability Score
• 10

• Impact Score
• 6.4

• Version
• 3.0

• Vector String
• CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• Attack Vector
• NETWORK

• Attack Compatibility
• LOW

• Privileges Required
• NONE

• User Interaction
• NONE

• Scope
• UNCHANGED

• Confidentiality Impact
• HIGH

• Availability Impact
• HIGH

• Base Score
• 9.8

• Base Severity
• CRITICAL

• Exploitability Score
• 3.9

• Impact Score
• 5.9