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Red Hat: CVE-2024-7524: mozilla: CSP strict-dynamic bypass using web-compatibility shims (Multiple Advisories)

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Red Hat: CVE-2024-7524: mozilla: CSP strict-dynamic bypass using web-compatibility shims (Multiple Advisories)

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
08/06/2024
Created
08/23/2024
Added
08/22/2024
Modified
09/13/2024

Description

Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection. On a site protected by Content Security Policy in "strict-dynamic" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Solution(s)

  • redhat-upgrade-firefox
  • redhat-upgrade-firefox-debuginfo
  • redhat-upgrade-firefox-debugsource
  • redhat-upgrade-firefox-x11

References

  • CVE-2024-7524
  • RHSA-2024:5322
  • RHSA-2024:5328
  • RHSA-2024:5329
  • RHSA-2024:5391

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