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CVE-2018-1000073

7.5 · HIGH

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 contai…

Published Mar 13, 2018CWE-59EPSS 4.91%

Overview

CVE-2018-1000073 is a high-severity vulnerability. It was published on March 13, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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 Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.rubygems.org/2018/02/15/2.7.6-released.htmlReflists.opensuse.org/opensuse-security-announce/2019-07/msg00036.htmlRefaccess.redhat.com/errata/RHSA-2018:3729Refaccess.redhat.com/errata/RHSA-2018:3730Refaccess.redhat.com/errata/RHSA-2018:3731Refaccess.redhat.com/errata/RHSA-2019:2028Refaccess.redhat.com/errata/RHSA-2020:0542Refaccess.redhat.com/errata/RHSA-2020:0591Refaccess.redhat.com/errata/RHSA-2020:0663GitHubgithub.com/rubygems/rubygems/commit/1b931fc03b819b9a0214be3eaca844ef534175e2

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1000073?

CVE-2018-1000073 is a high-severity vulnerability. It was published on March 13, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2018-1000073?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-1000073?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1000073?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1000073 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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