Multiple vulnerabilities in Opera

Description

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, obtain sensitive information, bypass security restrictions, perform cross-site scripting attack, spoof user interface, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Memory access vulnerability in WebRTC component can be exploited remotely via special crafted webpage to potentially cause to denial of service.
2. Text entry mode vulnerability in Views component can be exploited locally to potentially obtain sensitive information.
3. Memory vulnerability in WebRTC component can be exploited remotely to potentially sensitive information.
4. Mutability protection vulnerability in WebAssembly component can be exploited remotely via special crafted webpage to potentially cause denial of service.
5. Policy vulnerability in WebUSB component can be exploited to bypass origin policy.
6. uXSS vulnerability in WebKit component on iOS can be exploited remotely via special crafted webpage to perform domain spoofing.
7. Use after free vulnerability in IndexDB component can be exploited remotely to potentially execute arbitrary code.
8. Memory access vulnerability in WebRTC component can be exploited remotely via special crafted webpage to potentially cause denial of service.
9. Memory access vulnerability in PDFium component can be exploited remotely to cause denial of service.
10. Memory access vulnerability in V8 component can be exploited remotely via special crafted webpage to cause denial of service.
11. URL spoof vulnerability in Omnibox component can be exploited remotely to perform domain spoofing.
12. Memory access vulnerability in V8 component can be explooited remotely to cause denial of service.
13. Heap buffer overflow vulnerability in Skia component can be exploited remotely via special crafted webpage to cause denial of service.
14. Security bypass vulnerability in the debugger extension API in DevTools can be exploited to execute arbitrary code and bypass security restrictions.
15. UI spoofing vulnerability in Blink component can be exploited remotely via special crafted webpage to perform domain spoofing.
16. Type confusion vulnerability in Blink component can be exploited remotely via special crafted webpage to potentially cause denial of service.
17. Information leak vulnerability in Blink component can be exploited remotely via special crafted webpage to obtain sensitive information and bypass security restrictions.
18. Data validation vulnerability in Blink component can be exploited remotely via special crafted webpage to bypass same origin policy.
19. Policy enforcement vulnerability in Extensions API component can be exploited remotely to bypass security restrictions.
20. Use after free vulnerability in Blink component can be exploited remote;lly via special crafted webpage to cause denial of service.
21. Security bypass in the debugger extension API component can be exploited to execute arbitrary code and bypass security restrictions.
22. Information leak vulnerability in Blink component can be exploited remotely via special crafted webpage to obtain sensitive information and perform domain spoofing.

Original advisories

• Changelog for Opera 54

• Stable Channel Update for Desktop

Exploitation

Public exploits exist for this vulnerability.

Related products

• Opera

CVE list

• CVE-2018-6123
  high
• CVE-2018-6124
  critical
• CVE-2018-6125
  high
• CVE-2018-6126
  critical
• CVE-2018-6127
  critical
• CVE-2018-6128
  high
• CVE-2018-6129
  high
• CVE-2018-6130
  high
• CVE-2018-6131
  critical
• CVE-2018-6132
  warning
• CVE-2018-6133
  high
• CVE-2018-6134
  high
• CVE-2018-6135
  high
• CVE-2018-6136
  high
• CVE-2018-6137
  high
• CVE-2018-6138
  critical
• CVE-2018-6139
  critical
• CVE-2018-6140
  critical
• CVE-2018-6141
  critical
• CVE-2018-6142
  high
• CVE-2018-6143
  high
• CVE-2018-6144
  critical
• CVE-2018-6145
  high
• CVE-2018-6147
  high

Read more

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