KLA11724 Multiple vulnerabilities in Opera

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions, obtain sensitive information, cause denial of service.

Below is a complete list of vulnerabilities:

1. Inappropriate implementation vulnerability in V8 component can be exploited to execute arbitrary code.
2. Policy enforcement vulnerability in extensions component can be exploited to bypass same origin policy.
3. Use after free vulnerability in audio component can be exploited to obtain sensitive information.
4. Out of bounds vulnerability can be exploited to cause denial of service.
5. Use after free vulnerability in media component can be exploited to obtain sensitive information.
6. Use after free vulnerability in WebGL can be exploited to obtain sensitive information.

Original advisories

Changelog for Opera 67

Stable Channel Update for Desktop

Related products

Opera

CVE list

CVE-2019-20503 warning

CVE-2020-6429 high

CVE-2020-6425 high

CVE-2020-6424 high

CVE-2020-6428 high

CVE-2020-6427 high

CVE-2020-6426 warning

CVE-2020-6422 high

CVE-2020-6449 high

Solution

Update to the latest version

Download Opera

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.

Affected Products

• Opera earlier than 67.0.3575.115