Multiple vulnerabilities in Mozilla Firefox

Description

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

1. Memory corruption vulnerability can be exploited to execute arbitrary code.
2. Timing attack vulnerability in NSS library can be exploited to obtain sensitive information.
3. Use after free vulnerability in SharedWorkerService can be exploited to potentially cause denial of service.
4. GPU memory vulnerability can be exploited to spoof user interface.
5. URL spoofing vulnerability in address bar can be exploited to perform domain spoofing.
6. URL spoofing vulnerability in URL component can be exploited to perform domain spoofing.
7. Type confusion vulnerability in JS can be exploited to cause denial of service.

Fiches de renseignement originales

• MFSA2020-20

Exploitation

Public exploits exist for this vulnerability.

Produits associés

• Mozilla-Firefox

Liste CVE

• CVE-2020-12411
  critical
• CVE-2020-12399
  warning
• CVE-2020-12410
  critical
• CVE-2020-12405
  high
• CVE-2020-12407
  high
• CVE-2020-12408
  high
• CVE-2020-12409
  critical
• CVE-2020-12406
  critical

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