Multiple vulnerabilities in Opera

Description

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in Base internals can be exploited to cause denial of service or execute arbitrary code.
2. Policy enforcement vulnerability in Blink can be exploited to bypass security restrictions.
3. Use after free vulnerability in Web Share can be exploited to cause denial of service or execute arbitrary code.
4. Use after free vulnerability in Extenstions API can be exploited to cause denial of service or execute arbitrary code.
5. Data leak vulnerability in Navigation can be exploited to obtain sensitive information.
6. Use after free vulnerability in Media can be exploited to cause denial of service or execute arbitrary code.
7. Implementation vulnerability in DevTools can be exploited to cause denial of service.
8. Security UI vulnerability in Autofill can be exploited to spoof user interface.
9. Heap buffer overflow vulnerability in TabStrip can be exploited to cause denial of service.
10. Use after free vulnerability in Permissions can be exploited to cause denial of service or execute arbitrary code.
11. Use after free vulnerability in Bookmarks can be exploited to cause denial of service or execute arbitrary code.
12. Use after free vulnerability in WebRTC can be exploited to cause denial of service or execute arbitrary code.
13. Use after free vulnerability in WebApp Installs can be exploited to cause denial of service or execute arbitrary code.
14. Use after free vulnerability in Sign-Incan be exploited to cause denial of service or execute arbitrary code.
15. Use after free vulnerability in Blink can be exploited to cause denial of service or execute arbitrary code.
16. Use after free vulnerability in Autofill can be exploited to cause denial of service or execute arbitrary code.
17. Policy bypass vulnerability in Blink can be exploited to bypass security restrictions.

Original advisories

• Changelog for Opera 79

• Stable Channel Update for Desktop

Exploitation

Public exploits exist for this vulnerability.

Related products

• Opera

CVE list

• CVE-2021-30622
  critical
• CVE-2021-30624
  critical
• CVE-2021-30620
  critical
• CVE-2021-30621
  high
• CVE-2021-30613
  critical
• CVE-2021-30607
  critical
• CVE-2021-30618
  critical
• CVE-2021-30609
  critical
• CVE-2021-30611
  critical
• CVE-2021-30610
  critical
• CVE-2021-30616
  critical
• CVE-2021-30606
  critical
• CVE-2021-30619
  high
• CVE-2021-30608
  critical
• CVE-2021-30612
  critical
• CVE-2021-30615
  high
• CVE-2021-30623
  critical
• CVE-2021-30617
  high
• CVE-2021-30614
  critical

Read more

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