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Rewterz Threat Advisory – Mozilla Firefox Multiple Vulnerabilities

Severity

High

Analysis Summary

The following CVEs have been allocated to multiple vulnerabilities found in Mozilla Firefox.

CVE-2019-9805
CVE-2019-9803
CVE-2019-9790
CVE-2019-9797
CVE-2019-9795
CVE-2019-9807
CVE-2019-9796
CVE-2019-9792
CVE-2019-9789
CVE-2019-9791
CVE-2019-9788

  • Some errors related to memory safety can be exploited to corrupt memory.
  • A use-after-free error related to DOM elements can be exploited to corrupt memory.
  • A type confusion error related to the IonMonkey just-in-time (JIT) compiler can be exploited to corrupt memory.
  • An error related to the IonMonkey JIT compiler when handling JS_OPTIMIZED_OUT can be exploited to corrupt memory.
  • A use-after-free error related to the SMIL animation controller when registering with the refresh driver can be exploited to corrupt memory.
  • An error related to the “createImageBitmap()” function can be exploited to disclose images cross-origin.
  • An error when handling the Upgrade-Insecure-Requests (UIR) specification can be exploited to bypass Content Security Policy protections.
  • An error related to the Prio library can be exploited to corrupt memory.
  • An error when handling text over an FTP connection can be exploited to spoof a modal alert message.

Impact

  • System access
  • Exposure of sensitive information
  • Spoofing
  • Security Bypass
  • Code execution

Affected Products

Mozilla Firefox 65.x

Remediation

Upgrade to Mozilla Firefox version 66 as soon as possible.