Is CVE-2018-1000076 in the CISA KEV catalog?

No. CVE-2018-1000076 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1000076?

CVE-2018-1000076 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-1000076?

CVE-2018-1000076 has an EPSS score of 3.04% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000076?

Upgrade jruby on debian 12 to 9.1.17.0-1 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1000076

CRITICALEPSS 86th pctl

9.8

CVSS v3

NVD

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.

CWE-347

How to fix

Remediation Available

jrubyDebian

Fixed in:9.1.17.0-1CVE-2018-1000076

libruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

libruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.6USN-3621-1

libruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.7USN-3621-1

ruby1.9.1Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

ruby1.9.3Ubuntu

Fixed in:1.9.3.484-2ubuntu1.8USN-3621-1

ruby2.0Ubuntu

Fixed in:2.0.0.484-1ubuntu2.6USN-3621-1

ruby2.3Ubuntu

Fixed in:2.3.1-2~16.04.7USN-3621-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.04%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

blog.rubygems.org

Third-Party Advisory2

Other references14

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.