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Red Hat: CVE-2023-23603: CVE-2023-23603 Mozilla: Calls to console.log allowed bypasing Content Security Policy via format directive (Multiple Advisories)

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Red Hat: CVE-2023-23603: CVE-2023-23603 Mozilla: Calls to <code>console.log</code> allowed bypasing Content Security Policy via format directive (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
01/23/2023
Created
01/25/2023
Added
01/24/2023
Modified
01/30/2025

Description

Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.

Solution(s)

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

References

  • CVE-2023-23603
  • RHSA-2023:0285
  • RHSA-2023:0286
  • RHSA-2023:0288
  • RHSA-2023:0289
  • RHSA-2023:0295
  • RHSA-2023:0296
  • RHSA-2023:0456
  • RHSA-2023:0460
  • RHSA-2023:0461
  • RHSA-2023:0462
  • RHSA-2023:0463
  • RHSA-2023:0476
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