KLA12014 Multiple vulnerabilities in Opera

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

Below is a complete list of vulnerabilities:

1. Data validation vulnerability in installer component can be exploited to potentially cause denial of service.
2. Stack buffer overflow vulnerability in WebRTC can be exploited to potentially caouse denial of service.
3. Use after free vulnerability in UI can be exploited to spoof user interface and potentially cause denial of service.
4. Implementation vulnerability in V8 can be exploited to potentially cause denial of service.
5. Policy enforcement vulnerability in ANGLE can be exploited to bypass security restrictions.
6. Heap buffer overflow vulnerability in UI on Windows can be exploited to cause denial of service.

Original advisories

Changelog for Opera 72

Stable Channel Update for Desktop

Exploitation

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

Related products

Opera

CVE list

CVE-2020-16009 critical

CVE-2020-16011 critical

CVE-2020-16007 critical

CVE-2020-16005 critical

CVE-2020-16006 critical

CVE-2020-16008 critical

CVE-2020-16004 critical

Solution

Update to the latest version

Download Opera

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.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• 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 72.0.3815.320