KLA11560 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Unspecified vulnerability can be exploited via side-channel attack to bypass security restrictions;
2. Use-after-free vulnerability can be exploited via deleting an IndexedDB key to cause denial of service;
3. Multiple memory corruption vulnerabilities can be exploited to execute arbitrary code.
4. Unspecified vulnerability can be exploited via HTML tags parsing to perform cross-site scripting attack;
5. Unspecified vulnerability can be exploited via crafted multipart/alternative message to bypass security restrictions;
6. Unspecified vulnerability can be exploited via same-origin policy violation to bypass security restrictions;
7. Use-after-free vulnerability can be exploited via manipulating video to cause denial of service;

Original advisories

Mozilla Foundation Security Advisory 2019-30

Related products

Mozilla-Thunderbird

CVE list

CVE-2019-11752 critical

CVE-2019-11746 high

CVE-2019-11742 warning

CVE-2019-11740 high

CVE-2019-11744 warning

CVE-2019-11743 warning

CVE-2019-11739 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.

• 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.

• 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 68.1