Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2018-1000076
Probability of exploitation activity in the next 30 days: 1.43%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-1000076
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-1000076
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000076
-
https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html
[SECURITY] [DLA 1336-1] rubygems security updateThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2020:0542
RHSA-2020:0542 - Security Advisory - Red Hat Customer Portal
-
https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
[SECURITY] [DLA 1358-1] ruby1.9.1 security update
-
https://usn.ubuntu.com/3621-1/
USN-3621-1: Ruby vulnerabilities | Ubuntu security notices
-
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
2.7.6 Released - RubyGems BlogVendor Advisory
-
https://www.debian.org/security/2018/dsa-4259
Debian -- Security Information -- DSA-4259-1 ruby2.3
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https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html
[SECURITY] [DLA 1337-1] jruby security updateThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:3731
RHSA-2018:3731 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2018:3729
RHSA-2018:3729 - Security Advisory - Red Hat Customer Portal
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https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
[SECURITY] [DLA 1421-1] ruby2.1 security update
-
https://access.redhat.com/errata/RHSA-2020:0591
RHSA-2020:0591 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2018:3730
RHSA-2018:3730 - Security Advisory - Red Hat Customer Portal
-
https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693
Raise a security error when there are duplicate files in a package · rubygems/rubygems@f5042b8 · GitHubPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
[security-announce] openSUSE-SU-2019:1771-1: important: Security update
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https://access.redhat.com/errata/RHSA-2020:0663
RHSA-2020:0663 - Security Advisory - Red Hat Customer Portal
-
https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
[SECURITY] [DLA 1796-1] jruby security update
-
https://www.debian.org/security/2018/dsa-4219
Debian -- Security Information -- DSA-4219-1 jruby
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https://access.redhat.com/errata/RHSA-2019:2028
RHSA-2019:2028 - Security Advisory - Red Hat Customer Portal
Products affected by CVE-2018-1000076
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*
- cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*