KLA11734 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, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Skia component can be exploited remotely via special crafted webpage to potentially cause denial of service.
2. Security vulnerability in Media component can be exploited remotely via special crafted webpage to bypass same origin policy.
3. Data validation vulnerability in Shell Integration component can be exploited remotely via special crafted webpage to execute arbitrary code.
4. Heap buffer overflow vulnerability in Blink component can be exploited remotely via special crafted webpage to potentially cause denial of service.
5. Policy enforcement vulnerability in URL Formatter component can be exploited remotely via special crafted domain name to perform domain spoofing.
6. Security vulnerability in Site Isolation component can be exploited remotely via special crafted webpage to bypass security restrictions.
7. Policy enforcement vulnerability in Navigation component can be exploited remotely via special crafted webpage to bypass origin policy.
8. Security UI vulnerability in Blink component can be exploited remotely via special crafted webpage to perform domain spoofing.
9. Security UI in PDFium component can be exploited remotely via a special crafted PDF file to obtain sensitive information.
10. Use after free vulnerability in WebAudio component can be exploited remotely via special crafted webpage to potentially cause denial of service.
11. Use after free vulnerability in PDFium component can be exploited remotely via special crafted webpage to potentially cause denial of service.
12. Policy enforcement vulnerability in Blink component can be exploited via special crafted extension to execute arbitrary code.
13. Use after free vulnerability in Extensions component can be exploited remotely via special crafted webpage to potentially cause denial of service.
14. Policy enforcement vulnerability in Blink can be exploited remotely via special crafted webpage to bypass origin policy.
15. Security UI vulnerability in Navigation component can be exploited via special crafted webpage to perfrom domain spoofing.
16. Out of bounds read vulnerability in V8 component can be exploited remotely via special crafted webpage to potentially cause denial of service.
17. Use after free vulnerability in MediaRecorder component can be exploted remotely via special crafted webpage to potentially cause denial of service.
18. Policy enforcement vulnerability in Proxy component can be exploited locally via special crafted file to obtain sensitive inforamtion.
19. Security vulnerability in Extensions component can be exploited remotely via special crafted extension to execute arbitrary code.
20. Use after free vulnerability in Blink component can be exploited via special crafted webpage to potentially cause denial of service.
21. Security UI vulnerability in Navigation component can be exploited remotely via special crafted web page to execute arbitrary code.
22. Policy enforcement vulnerability in Navigation component can be exploited remotely via special crafted webpage to perform domain spoofing.
23. Security UI vulnerability in Navigation component can be exploited remotely via special crafted webpage to perform domain spoofing.
24. Security UI vulnerability in Network Authentication component on Android can be exploited remotely via special crafted webpage to perform domain spoofing.
25. Security UI vulnerability in Omnibox component can be exploited remotely via special crafted domain name to perform domain spoofing.
26. Security UI vulnerability in URL Formatter component can be exploited remotely via special crafted domain name to perform domain spoofing.
27. Out of bounds write vulnerability in V8 component can be exploited remotely via special crafted webpage to execute arbitrary code.
28. Out of bounds write in V8Out of bounds write vulnerability in V8 component can be exploited remotely via special crafted webpage to execute arbitrary code.
29. Policy enforcement vulnerability in Payments component can be exploited remotely via special crafted webpage to execute arbitrary code.
30. Use after free vulnerability in PDFium component can be exploited remotely via special crafted file to potentially cause denial of service.
31. Heap buffer overflow vulnerability in Skia component can be exploited remotely via special crafted webpage to potentially cause denial of service.
32. Heap buffer overflow vulnerability in Canvas component remotely via special crafted webpage to potentially cause denial of service.

Original advisories

Changelog for Opera 58

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-2018-17480 high

CVE-2018-17481 high

CVE-2018-18335 high

CVE-2018-18336 high

CVE-2018-18337 high

CVE-2018-18338 high

CVE-2018-18339 high

CVE-2018-18340 high

CVE-2018-18341 high

CVE-2018-18342 high

CVE-2018-18343 high

CVE-2018-18344 warning

CVE-2018-18345 warning

CVE-2018-18346 warning

CVE-2018-18347 high

CVE-2018-18348 warning

CVE-2018-18349 warning

CVE-2018-18350 warning

CVE-2018-18351 warning

CVE-2018-18352 warning

CVE-2018-18353 warning

CVE-2018-18354 high

CVE-2018-18355 warning

CVE-2018-18356 high

CVE-2018-18357 warning

CVE-2018-18358 warning

CVE-2018-18359 high

CVE-2018-20070 warning

CVE-2018-20065 high

CVE-2018-20068 warning

CVE-2018-20069 warning

CVE-2018-20071 warning

CVE-2018-20067 warning

CVE-2018-20066 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.

• 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 58.0.3135.26