Multiple vulnerabilities in Mozilla Firefox

Description

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to cause denial of service, obtain sensitive information, gain privileges, perform cross-site scripting attack, spoof user interface, execute arbitrary code, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. A heap buffer overflow vulnerability in Freetype can be exploited to cause denial of service.
2. A side-channel information leakage vulnerability in graphics component can be exploited to obtain sensitive information.
3. An elevation of privilege vulnerability in the Remote Debugging via USB feature for Android can exploited to gain privileges.
4. A cross-site-scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
5. A security UI vulnerability in fullscreen mode can be exploited remotely to obtain sensitive information and spoof user interface.
6. A memory safety vulnerability can be exploited to to cause denial of service and execute arbitrary code.
7. A denial of service vulnerability in History and Location interfaces can be exploited to potentially cause denial of service.
8. A security bypass vulnerability in DoH can be exploited to security bypass restrictions.
9. A security bypass vulnerability in Screenshoot mode can be exploited to bypass securty restrictions.
10. A security bypass vulnerability in OneCRL for Android can be exploited to cause denial of service.
11. A security UI vulnerability in fullscreen mode for Android can be exploited to spoof user interface and perform cross-site scripting attack.
12. A use after free vulnerability in nsTArray can be exploited to potentially cause denial of service or execute arbitrary code.
13. A security bypass vulnerability in “Show Password” feature can be exploited to bypass security restrictions and obtain sensitive information.
14. A use after free vulnerability in WebRequestService can be exploited to cause denial of service.
15. A memory corruption vulnerability in JIT compilation can be exploited to potentially cause denial of service.
16. A security vulnerability in mDNS request for Windows can be exploited to obtain sensitive information.
17. A security bypass vulnerability in ServiceWorker can be exploited to bypass security restrictions and perform cross-site scripting attack.
18. A security vulnerability in cookies can be exploited to obtain sensitive information.

Original advisories

• MFSA2020-50

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

• Mozilla-Firefox

CVE list

• CVE-2020-15999
  high
• CVE-2020-16012
  warning
• CVE-2020-26964
  high
• CVE-2020-26951
  high
• CVE-2020-26953
  warning
• CVE-2020-26956
  high
• CVE-2020-26962
  high
• CVE-2020-26968
  critical
• CVE-2020-26963
  warning
• CVE-2020-26961
  high
• CVE-2020-26967
  high
• CVE-2020-26957
  high
• CVE-2020-26954
  warning
• CVE-2020-26969
  critical
• CVE-2020-26960
  critical
• CVE-2020-26965
  high
• CVE-2020-26959
  critical
• CVE-2020-26952
  critical
• CVE-2020-26966
  high
• CVE-2020-26958
  high
• CVE-2020-26955
  high

Read more

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