KLA11406 Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Buffer overflow and out-of-bounds read vulnerability related to ANGLE graphics library can be exploited to cause denial of service;
2. Use-after-free vulnerability related to Skia library can be exploited to cause denial of service;
3. Buffer overflow vulnerability related to Skia library can be exploited to cause denial of service;
4. Vulnerability related to same-origin policy can be exploited to bypass security restrictions and possibly to obtain sensitive information;
5. Out-of-bounds write vulnerability can be exploited to cause denial of service;
6. Memory corruption vulnerabilities can be exploited to execute arbitrary code.

Original advisories

Mozilla Foundation Security Advisory 2018-31

Exploitation

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

Related products

Mozilla-Thunderbird

CVE list

CVE-2018-17466 high

CVE-2018-18492 critical

CVE-2018-18493 critical

CVE-2018-18494 warning

CVE-2018-18498 critical

CVE-2018-12405 critical

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.

Affected Products

• Mozilla Thunderbird earlier than 60.4