KLA12292
Multiple vulnerabilities in Opera

Updated: 09/23/2021
Detect date
?
09/14/2021
Severity
?
High
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.
Affected products

Opera earlier than 79.0.4143.22

Solution

Update to the latest version
Download Opera

Original advisories

Changelog for Opera 79
Stable Channel Update for Desktop

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

SB 
[?]

SUI 
[?]
Related products
Opera
CVE-IDS
?
CVE-2021-306220.0Unknown
CVE-2021-306240.0Unknown
CVE-2021-306200.0Unknown
CVE-2021-306210.0Unknown
CVE-2021-306130.0Unknown
CVE-2021-306070.0Unknown
CVE-2021-306180.0Unknown
CVE-2021-306090.0Unknown
CVE-2021-306110.0Unknown
CVE-2021-306100.0Unknown
CVE-2021-306160.0Unknown
CVE-2021-306060.0Unknown
CVE-2021-306190.0Unknown
CVE-2021-306080.0Unknown
CVE-2021-306120.0Unknown
CVE-2021-306150.0Unknown
CVE-2021-306230.0Unknown
CVE-2021-306170.0Unknown
CVE-2021-306140.0Unknown
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