KLA11591 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Vulnerability related to document.domain can be exploited to execute arbitrary code;
2. Stack buffer overflow vulnerability can be exploited to cause denial of service;
3. Vulnerability related to 360 Total Security can be exploited to execute arbitrary code;
4. Vulnerability related to HTML parsing can be exploited remotely to bypass security restrictions;
5. Vulnerability can be exploited to bypass security restrictions;
6. Buffer overflow vulnerability in expat can be exploited to arbitrary code execution;
7. Memory safety vulnerability can be exploited to execute arbitrary code;
8. Use-after-free vulnerability can be exploited to cause denial of service.

Original advisories

Advisory 2019-35

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Mozilla-Thunderbird

CVE list

CVE-2019-15903 warning

CVE-2019-11758 high

CVE-2019-11761 high

CVE-2019-11757 high

CVE-2019-11760 high

CVE-2019-11759 high

CVE-2019-11762 high

CVE-2019-11764 high

CVE-2019-11763 warning

Solution

Update to the latest version

Download Mozilla 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.

• 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 68.2