The mobile device is running a version of iOS that is older than version 5.1.1. Version 5.1.1 contains numerous security-related fixes for the following vulnerabilities :
Attackers can use a vulnerability in WebKit to perform cross-site scripting attacks, possibly leaking data such as cookies, user information, and passwords.
(CVE-2011-3046, CVE-2011-3056)
A remote code execution vulnerability in WebKit could allow a malicious site to run code on the host iOS device giving the attacker access to critical data on the phone.(CVE-2012-0672)
Vulnerabilities in Safari can allow malicious sites to spoof the address in the address bar of the browser.
This attack allows an attacker to redirect victims to a malicious site without the userβs ability to notice.
(CVE-2012-0674)
Binary data apple_ios_511_check.nbin