CVE-2011-4681
(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…
Does this matter?
Lower severity and a low EPSS score (1.98%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 1.98% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- opera/opera browser
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.