KLA11249 Multiple vulnerabilities in Google Chrome

Multiple serious vulnerabilities have been found in Google Chrome. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service and gain privileges.

Below is a complete list of vulnerabilities:

1. A chain leading to sandbox escape can be exploited remotely to execute arbitrary code;
2. A privilege escalation vulnerability in extensions can be exploited remotely to gain privileges;
3. A type confusion vulnerability in V8 can be exploited remotely possibly to execute arbitrary code;
4. A heap buffer overflow vulnerability in PDFium can be exploited remotely possibly to cause denial of service;

NB: This vulnerability does not have any public CVSS rating, so rating can be changed by the time.

NB: At this moment Google has just reserved CVE numbers for these vulnerabilities. Information can be changed soon.

Original advisories

Stable Channel Update for Desktop

Related products

Google-Chrome

CVE list

CVE-2018-6122 unknown

CVE-2018-6120 high

CVE-2018-6121 high

Solution

Update to latest version.

Download Google Chrome

Impacts

• 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

• Google Chrome earlier than 66.0.3359.170