Kaspersky ID:
KLA11691
Detect Date:
02/12/2020
Updated:
01/28/2026

Description

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to inject malicious code, cause denial of service, obtain sensitive information, execute arbitrary code, read local files.

Below is a complete list of vulnerabilities:

  1. ‘Copy as cURL’ feature vulnerability can be exploited to command injection.
  2. Out of bounds vulnerability can be exploited to cause denial of service.
  3. Focusing a popup while in fullscreen could have obscured the fullscreen notification to obtain sensitive information.
  4. Missing protections against state confusion can be exploited to cause denial of service.
  5. URL Spoofing vulnerability can be exploited remotely via specially designed script to obtain sensitive information.
  6. Memory safety vulnerability can be exploited to execute arbitrary code
  7. Security bypass vulnerability occurs when Import statements in CSS could bypass the Content Security Policy nonce feature.
  8. Use-after-free vulnerability can be exploited to cause denial of service.
  9. The first time AirPods are connected, they become named after the user’s name by default. Websites with camera or microphone permission are able to enumerate device names, disclosing the user’s name.
  10. Vulnerability in Web Extensions related to same-origin policy can be exploited via specially designed request to read local files.

Original advisories

Exploitation

Public exploits exist for this vulnerability.

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

Related products

CVE list

  • CVE-2019-20503
    high
  • CVE-2020-6806
    critical
  • CVE-2020-6812
    high
  • CVE-2020-6814
    critical
  • CVE-2020-6807
    critical
  • CVE-2020-6811
    critical
  • CVE-2020-6805
    critical
  • CVE-2020-6810
    warning
  • CVE-2020-6808
    high
  • CVE-2020-6813
    high
  • CVE-2020-6815
    critical
  • CVE-2020-6809
    critical

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com

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