KLA40222 Multiple vulnerabilities in Opera

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

Below is a complete list of vulnerabilities:

1. Policy enforcement vulnerability in DevTools can be exploited to cause denial of service.
2. Implementation vulnerability in Full screen mode can be exploited to cause denial of service.
3. Use after free vulnerability in GPU can be exploited to cause denial of service or execute arbitrary code.
4. Out of bounds read vulnerability in WebRTC can be exploited to cause denial of service.
5. Type confusion vulnerability in DevTools can be exploited to cause denial of service.
6. Type confusion vulnerability in Data Transfer can be exploited to cause denial of service.
7. Implementation vulnerability in Download can be exploited to cause denial of service.
8. Integer overflow vulnerability in Core can be exploited to cause execute arbitrary code and denial of service.
9. Type confusion vulnerability in V8 can be exploited to cause denial of service.
10. Heap buffer overflow vulnerability in WebUI can be exploited to cause denial of service.

Original advisories

Opera 96.0.4693.20 Initial Stable

Stable Channel Update for Desktop

Related products

Opera

CVE list

CVE-2023-0697 high

CVE-2023-0705 critical

CVE-2023-0696 critical

CVE-2023-0702 critical

CVE-2023-0700 high

CVE-2023-0698 critical

CVE-2023-0701 critical

CVE-2023-0703 critical

CVE-2023-0704 high

CVE-2023-0699 critical

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.

• 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

• Opera earlier than 96.0.4693.20