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KLA11764
Multiple vulnerabilities in Mozilla Firefox

Updated: 01/22/2024
Detect date
?
05/05/2020
Severity
?
Critical
Description

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

Below is a complete list of vulnerabilities:

  1. Use after free vulnerability in Web Worker can be exploited to potentially cause denial of service.
  2. Sandbox escape vulnerability on Windows to cause denial of service.
  3. Security bypass vulnerability in ‘Copy as cURL’ component on Windows can be exploited to bypass security restrictions and execute arbitrary code.
  4. Security bypass vulnerability in ‘Copy as cURL’ component can be exploited to bypass security restrictions and obtain sensitive information.
  5. URL spoofing vulnerability in location bar component can be exploited locally to perform domain spoofing.
  6. Security bypass vulnerability in CSP component can be exploited to execute arbitrary code.
  7. Stack buffer overflow vulnerability in SCTP component can be exploited to potentially cause denial of service.
  8. Memory corruption vulnerability can be exploited to execute arbitrary code.
  9. URLs serialization vulnerability can be exploited to bypass security restrictions.
Exploitation

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

Affected products

Mozilla Firefox earlier than 76

Solution

Update to the latest version
Download Firefox

Original advisories

MFSA2020-16

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox
CVE-IDS
?
CVE-2020-68317.5Critical
CVE-2020-123876.8High
CVE-2020-123887.5Critical
CVE-2020-123934.6Warning
CVE-2020-123922.1Warning
CVE-2020-123942.1Warning
CVE-2020-123915.0Warning
CVE-2020-123897.5Critical
CVE-2020-123967.5Critical
CVE-2020-123907.5Critical
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