WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not properly handle redirects, which allows remote attackers to read images from arbitrary web sites via vectors involving a CANVAS element and redirection, related to a “cross-site image capture issue.”
lists.apple.com/archives/security-announce/2009/jun/msg00002.html
lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
osvdb.org/55005
secunia.com/advisories/35379
secunia.com/advisories/37746
secunia.com/advisories/43068
support.apple.com/kb/HT3613
support.apple.com/kb/HT3639
www.debian.org/security/2009/dsa-1950
www.securityfocus.com/bid/35260
www.securityfocus.com/bid/35322
www.vupen.com/english/advisories/2009/1522
www.vupen.com/english/advisories/2009/1621
www.vupen.com/english/advisories/2011/0212