Description
WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | qtwebkit-source +1 | No fix yet | — |
References
- http://support.apple.com/kb/HT6254
- APPLE-SA-2014-06-30-3 vendor-advisory
- APPLE-SA-2014-05-21-1 vendor-advisory
- 67554 vdb-entry