CVE-2018-1000076
March 13, 2018
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.
Affected Packages
org.jruby:jruby-stdlib (JAVA):
Affected version(s) >=1.6.0 <9.1.16.0Fix Suggestion:
Update to version 9.1.16.0org.jruby:jruby-stdlib (JAVA):
Affected version(s) >=1.6.0 <9.1.16.0Fix Suggestion:
Update to version 9.1.16.0org.jruby:jruby-stdlib (JAVA):
Affected version(s) >=1.6.0 <9.1.16.0Fix Suggestion:
Update to version 9.1.16.0rubygems-update (RUBY):
Affected version(s) >=2.2.0 <2.7.6Fix Suggestion:
Update to version 2.7.6rubygems-update (RUBY):
Affected version(s) >=2.2.0 <2.7.6Fix Suggestion:
Update to version 2.7.6rubygems-update (RUBY):
Affected version(s) >=2.2.0 <2.7.6Fix Suggestion:
Update to version 2.7.6Related Resources (23)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
7.5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Verification of Cryptographic Signature
EPSS
Base Score:
0.93
