Multiple vulnerabilities in Mozilla Thunderbird

Description

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

Below is a complete list of vulnerabilities:

1. Fullscreen notification bypass using popups can be exploited to spoof user interface.
2. Leaking browser history with CSS variables can be exploited to obtain sensitive information.
3. Security vulnerability in email can be exploited to bypass security restrictions.
4. An elevation of privilege vulnerability in iframe Sandbox can be exploited remotely to gain privileges.
5. Improper input validation in Speech Synthesis feature can be exploited to cause denial of service.
6. Memory safety vulnerability can be exploited to execute arbitrary code.
7. Security vulnerability in reader mode can be exploited to bypass security restrictions.
8. Bypassing permission prompt in nested browsing contexts can be exploited to bypass security restrictions.

Original advisories

• MFSA2022-18

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2022-29917
  critical
• CVE-2022-29911
  high
• CVE-2022-29909
  critical
• CVE-2022-29914
  high
• CVE-2022-29912
  high
• CVE-2022-29916
  high
• CVE-2022-1520
  warning
• CVE-2022-29913
  high

Read more

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