KLA15730 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Memory safety vulnerability can be exploited to execute arbitrary code.
2. Security bypass vulnerability in iframe can be exploited to bypass security restrictions.
3. Security UI vulnerability in XSLT error handling can be exploited to spoof user interface and obtain sensitive information.
4. Race condition vulnerability in the PK11_ChangePW function can be exploited to cause denial of service

Original advisories

MFSA2022-36

Related products

Mozilla-Thunderbird

CVE list

CVE-2022-38478 critical

CVE-2022-38477 critical

CVE-2022-38473 critical

CVE-2022-38472 high

CVE-2022-38476 critical

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 102.x earlier than 102.2