Apple iOS is prone to an overflow condition. The QuickLook process fails to properly sanitize user-supplied input resulting in a buffer overflow. With a specially crafted Microsoft Office document, a context-dependent attacker can potentially execute arbitrary code.
Classification
Location:
Local / Remote,
Context Dependent
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Upgrade
Exploit:
Exploit Private
Disclosure:
Vendor Verified,
Coordinated Disclosure
Solution
Upgrade to version 4.3.2 or higher or iOS for iPhone 4 (CDMA) 4.2.7 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.