Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Elevation of privilege vulnerability in Maintenance (Updater) Service on Windows can be exploited to gain privileges.
2. Information disclosure vulnerability in cross-origin responses can be exploited to obtain sensitive information.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Security bypass vulnerability in Web Extension’s Content Security Policy and frame-ancestors directive can be exploited to bypass security restrictions.
5. Denial of service vulnerability in object state can be exploited via script execution to cause denial of service.
6. Security bypass vulnerability in extensions can be exploited to bypass security restrictions.
7. Code execution vulnerability in Drag&Drop can be exploited via special crafted image to execute arbitrary code.
8. Security bypass vulnerability in iframe can be exploited via special crafted document to bypass security restrictions.

Original advisories

• MFSA2022-05

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2022-22763
  critical
• CVE-2022-22753
  high
• CVE-2022-22760
  high
• CVE-2022-22764
  critical
• CVE-2022-22754
  high
• CVE-2022-22761
  critical
• CVE-2022-22756
  critical
• CVE-2022-22759
  critical

Read more

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