KLA73182 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, cause denial of service, perform cross-site scripting attack, spoof user interface.

Below is a complete list of vulnerabilities:

1. Memory safety vulnerability can be exploited to execute arbitrary code.
2. Type confusion vulnerability when looking up a property name in a “with” block can be exploited to cause denial of service.
3. Type confusion vulnerability in WASM can be exploited to cause denial of service.
4. Security vulnerability can be exploited to bypass security restrictions.
5. Security UI vulnerability can be exploited to spoof user interface.
6. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
7. Use after free vulnerability when aborting the verification of an OTR chat session can be exploited to cause denial of service or execute arbitrary code.

Original advisories

MFSA2024-43

Related products

Mozilla-Thunderbird

CVE list

CVE-2024-8387 warning

CVE-2024-8381 warning

CVE-2024-8385 warning

CVE-2024-8386 warning

CVE-2024-8382 warning

CVE-2024-8384 warning

CVE-2024-8394 unknown

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.

• 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.

• XSS/CSS

Cross site scripting. Exploitation of vulnerabilities with this impact can lead to partial interception of information transmitted between user and site.

• 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 128.2