Vulnerability Description
Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opera | Opera Browser | <= 11.60 |
Related Weaknesses (CWE)
References
- http://www.opera.com/docs/changelogs/mac/1160/
- http://www.opera.com/docs/changelogs/unix/1160/
- http://www.opera.com/docs/changelogs/windows/1160/
- http://www.opera.com/support/kb/view/1003/Vendor Advisory
- http://www.opera.com/docs/changelogs/mac/1160/
- http://www.opera.com/docs/changelogs/unix/1160/
- http://www.opera.com/docs/changelogs/windows/1160/
- http://www.opera.com/support/kb/view/1003/Vendor Advisory
FAQ
What is CVE-2011-4681?
CVE-2011-4681 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Sam...
How severe is CVE-2011-4681?
CVE-2011-4681 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4681?
Check the references section above for vendor advisories and patch information. Affected products include: Opera Opera Browser.