KLA15725 Multiple vulnerabilities in Opera

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

Below is a complete list of vulnerabilities:

1. Policy enforcement vulnerability in Cookies can be exploited to bypass security restrictions.
2. Use after free vulnerability in Chrome OS Shell can be exploited to cause denial of service or execute arbitrary code.
3. Use after free vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
4. Implementation vulnerability in Extensions API can be exploited to cause denial of service.
5. Use after free vulnerability in FedCM can be exploited to cause denial of service or execute arbitrary code.
6. Validation of untrusted input vulnerability in Intents can be exploited to cause denial of service.
7. Use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.
8. Use after free vulnerability in Sign-In Flow can be exploited to cause denial of service or execute arbitrary code.
9. Heap buffer overflow vulnerability in Downloads can be exploited to cause denial of service.
10. Use after free vulnerability in SwiftShader can be exploited to cause denial of service or execute arbitrary code.

Original advisories

Changelog for 90

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-2022-2856 high

CVE-2022-2855 critical

CVE-2022-2858 critical

CVE-2022-2861 high

CVE-2022-2853 critical

CVE-2022-2854 critical

CVE-2022-2852 critical

CVE-2022-2857 critical

CVE-2022-2859 critical

CVE-2022-2860 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.

• 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 90.0.4480.54