iPhone unpatched vulnerability and Exploit

Users should be not open any untrusted TIFF images using iPhone's Safari web browser and watch for available security patches to be released by Apple. 

iPhone unpatched vulnerability and Exploit
http://isc.sans.org/diary.html?storyid=3517
http://secunia.com/advisories/27213/
http://secunia.com/cve_reference/CVE-2007-5450/

Description: A vulnerability has been reported in Apple iPod touch and Apple iPhone, which potentially can be exploited by malicious people to compromise a vulnerable device. The vulnerability is caused due to an error in the processing of TIFF images and can potentially be exploited to execute arbitrary code when a specially crafted TIFF image is viewed, e.g. in the Safari web browser. The vulnerability is reported in iPod touch version 1.1.1 and iPhone version 1.1.1. Other versions may also be affected

Solution: Do not browse untrusted web sites and do not open untrusted TIFF images.