Description
WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle the Attr.style accessor, which allows remote attackers to bypass the Same Origin Policy and inject Cascading Style Sheets (CSS) token sequences via a crafted web site.
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 | No fix yet | — |
References
- http://support.apple.com/kb/HT4564
- appleios-attr-code-execution(66000) vdb-entry
- 46814 vdb-entry
- http://support.apple.com/kb/HT4566
- APPLE-SA-2011-03-09-1 vendor-advisory
- APPLE-SA-2011-03-09-2 vendor-advisory
- 1025182 vdb-entry