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KLA11765
Multiple vulnerabilities in Mozilla Firefox ESR

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

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

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. Stack buffer overflow vulnerability in SCTP component can be exploited to potentially cause denial of service.
  6. Memory corruption vulnerability can be exploited to execute arbitrary code.
Exploitation

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

Affected products

Mozilla Firefox ESR earlier than 68.8

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2020-17

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]
Related products
Mozilla Firefox ESR
CVE-IDS
?
CVE-2020-68317.5Critical
CVE-2020-123876.8High
CVE-2020-123887.5Critical
CVE-2020-123934.6Warning
CVE-2020-123922.1Warning
CVE-2020-123897.5Critical
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