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Red Hat: CVE-2019-11738: CVE-2019-11738 Mozilla: Content security policy bypass through hash-based sources in directives (Multiple Advisories)

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Red Hat: CVE-2019-11738: CVE-2019-11738 Mozilla: Content security policy bypass through hash-based sources in directives (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
09/04/2019
Created
09/05/2019
Added
09/05/2019
Modified
12/15/2023

Description

If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Solution(s)

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

References

  • CVE-2019-11738
  • RHSA-2019:2663

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