KLA12417 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Security bypass vulnerability in iframe sandbox can be exploited via special crafted XSLT markup to bypass security restrictions.
2. Security UI vulnerability in external protocol launch dialog can be exploited to spoof user interface.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Security vulnerability in the “Copy as curl” feature in DevTools on Windows can be exploited to bypass security restrictions.
5. Heap buffer overflow vulnerability in blendGaussianBlur can be exploited to cause denial of service.
6. Race condition vulnerability in audio component can be exploited to cause denial of service.
7. Use after free vulnerability in ChannelEventQueue::mOwner can be exploited to cause denial of service.
8. Security UI vulnerability in fullscreen mode can be exploited to spoof user interface.
9. Security UI vulnerability in reportValidity on Windows can be exploited to spoof user interface.
10. Information disclosure vulnerability in securitypolicyviolation event can be exploited to obtain sensitive information.
11. Denial of service vulnerability in pkcs7 sequence can be exploited to cause denial of service.
12. Security UI vulnerability in external protocol launch dialog can be exploited to spoof user interface and bypass security restrictions.
13. Out of bounds memory access vulnerability in edit mode can be exploited via special crafted text to cause denial of service.

Original advisories

MFSA2022-03

Related products

Mozilla-Thunderbird

CVE list

CVE-2021-4140 critical

CVE-2022-22751 critical

CVE-2022-22748 high

CVE-2022-22744 critical

CVE-2022-22738 critical

CVE-2022-22737 critical

CVE-2022-22740 critical

CVE-2022-22743 warning

CVE-2022-22741 critical

CVE-2022-22745 high

CVE-2022-22746 high

CVE-2022-22747 high

CVE-2022-22739 high

CVE-2022-22742 high

Solution

Update to the latest version

Download Thunderbird

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Mozilla Thunderbird earlier than 91.5.0