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CVE-2018-1000078 — Vulnerability in org.jruby:jruby-stdlib — CVE...

MEDIUM

RubyGems Cross-site Scripting vulnerability

Published May 14, 2022Updated March 13, 2024Source: osv

Summary

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 Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack requires the victim to browse to a malicious gem on a vulnerable gem server. This vulnerability is fixed in 2.7.6.

Advisory Timeline

  • First published May 14, 2022 (1612 days ago).
  • Last revised March 13, 2024 — 669 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.jruby:jruby-stdlib to 9.1.16.0 or later
<!-- Update pom.xml dependency version to 9.1.16.0 for org.jruby:jruby-stdlib -->
Bundler
Update rubygems-update to 2.7.6 or later
gem install rubygems-update -v 2.7.6

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 2 ecosystems: maven (1), rubygems (1).

PackageEcosystemAffectedFixed In
org.jruby:jruby-stdlib
maven
1.6.0, 1.6.1, 1.6.2, 1.6.3 (+69 more)9.1.16.0
rubygems-update
rubygems
0.8.10, 0.8.11, 0.8.3, 0.8.4 (+144 more)2.7.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-79
    Cross-site Scripting (XSS)MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 6.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

References

Frequently Asked Questions

What is CVE-2018-1000078?
RubyGems Cross-site Scripting vulnerability This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 6.1/10).
How do I check if my project is affected by CVE-2018-1000078?
CVE-2018-1000078 affects org.jruby:jruby-stdlib and rubygems-update. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2018-1000078 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
6.1

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-87qx-g5wg-mwmj

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