KLA12029
Multiple vulnerabilities in Mozilla Firefox

Updated: 12/16/2020
Detect date
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12/15/2020
Severity
?
Warning
Description

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

Below is a complete list of vulnerabilities:

  1. A security bypass vulnerability in headers for Android can be exploited remotely to bypass security restrictions and obtain sensitive information.
  2. A security bypass vulnerability in proxy.onRequest can be exploited remotely to bypass security restrictions and obtain sensitive information.
  3. A security bypass vulnerability for Windows can be exploited to bypass security restrictions.
  4. A security bypass vulnerability can be exploited to bypass security restrictions.
  5. A spoofing vulnerability in URL bar for Android can be exploited remotely to perform domain spoofing.
  6. A use after free vulnerability in StyleGenericFlexBasis object can be exploited to potentially cause denial of service.
  7. A memory corruption vulnerability can be exploited to execute arbitrary code.
  8. A use after free vulnerability in WebGL can be exploited to potentially cause denial of service.
  9. A heap buffer overflow vulnerability in WebGL can be exploited to potentially cause denial of service.
  10. A spoofing vulnerability in search bar can be exploited to preform domain spoofing.
  11. A security bypass bypass vulnerability in slipstream can be exploited to obtain sensitive information.
  12. A security bypass vulnerability in CSS Sanitizer can be exploited to bypass security restrictions.
  13. A uninitialized use vulnerability in V8 can be exploited to obtain sensitive informtaion and bypass security restrictions.
Affected products

Mozilla Firefox earlier than 84

Solution

Update to the latest version
Download Firefox

Original advisories

MFSA2020-54

Impacts
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ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox
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