Description
WebKit, as used in Apple Safari before 5.0.4 and iOS before 4.3, does not properly handle unspecified "cached resources," which allows remote attackers to cause a denial of service (resource unavailability) via a crafted web site that conducts a cache-poisoning attack.
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
- http://support.apple.com/kb/HT4566
- APPLE-SA-2011-03-09-1 vendor-advisory
- APPLE-SA-2011-03-09-2 vendor-advisory
- appleios-cache-dos(66001) vdb-entry
- 1025182 vdb-entry