Ubuntu.comUB:CVE-2018-1000076CVE-2018-1000076
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.014 Low
EPSS
Percentile
86.6%
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.
Notes
| Author | Note |
|---|---|
| tyhicks | ruby{1.9.1,2.0,2.3} and jruby ship an embedded rubygems. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | jruby | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | jruby | < 1.5.6-9+deb8u2build0.14.04.1~esm2 | UNKNOWN |
| ubuntu | 16.04 | noarch | jruby | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | ruby2.0 | < 2.0.0.484-1ubuntu2.6 | UNKNOWN |
| ubuntu | 17.10 | noarch | ruby2.3 | < 2.3.3-1ubuntu1.4 | UNKNOWN |
| ubuntu | 16.04 | noarch | ruby2.3 | < 2.3.1-2~16.04.7 | UNKNOWN |
| ubuntu | 18.04 | noarch | ruby2.5 | < 2.5.1-1 | UNKNOWN |
| ubuntu | 18.10 | noarch | ruby2.5 | < 2.5.1-1 | UNKNOWN |
| ubuntu | 19.04 | noarch | ruby2.5 | < 2.5.1-1 | UNKNOWN |
| ubuntu | 19.10 | noarch | ruby2.5 | < 2.5.1-1 | UNKNOWN |
References
github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
launchpad.net/bugs/cve/CVE-2018-1000076
nvd.nist.gov/vuln/detail/CVE-2018-1000076
security-tracker.debian.org/tracker/CVE-2018-1000076
ubuntu.com/security/notices/USN-3621-1
www.cve.org/CVERecord?id=CVE-2018-1000076
www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/
Related
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.014 Low
EPSS
Percentile
86.6%