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CVE-2012-1098: Direct Manipulation XSS

March 13, 2012 (updated August 8, 2019)

Ruby on Rails contains a flaw that allows a remote cross-site scripting (XSS) attack. This flaw exists because the application does not validate direct manipulations of SafeBuffer objects via '[]' and other methods. This may allow a user to create a specially crafted request that would execute arbitrary script code in a user’s browser within the trust relationship between their browser and the server.

References

  • github.com/rails/rails/commit/c60c1c0812d5eb55e7024db350f8bc5b6729f7fe
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/OSVDB-79726.yml

Code Behaviors & Features

Detect and mitigate CVE-2012-1098 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 3.0.0 before 3.0.12, all versions starting from 3.1.0 before 3.1.4, all versions starting from 3.2.0 before 3.2.2

Fixed versions

  • 3.0.12
  • 3.1.4
  • 3.2.2

Solution

Upgrade to versions 3.0.12, 3.1.4, 3.2.2 or above.

Impact 4.3 MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

gem/activesupport/CVE-2012-1098.yml

Spotted a mistake? Edit the file on GitLab.

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