KLA12092 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. A memory safety vulnerability can be exploited to execute arbitrary code.
2. A security bypass vulnerability in Content Security Policy violation report to obtain sensitive information.
3. OSI vulnerability in MediaError message property can be exploited to obtain sensitive information.

Original advisories

MFSA2021-09

Related products

Mozilla-Thunderbird

CVE list

CVE-2021-23973 high

CVE-2021-23978 critical

CVE-2021-23968 warning

CVE-2021-23969 warning

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.

• XSS/CSS

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

Affected Products

• Mozilla Thunderbird earlier than 78.8