Apple Mobile Safari isindex Use-After-Free Remote Code Execution VulnerabilityZDI-14-057: April 3rd, 2014
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 13507. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of isindex elements. The issue lies in setting attributes to invalid values. By manipulating a document's elements an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.
Vendor ResponseApple has issued an update to correct this vulnerability. More details can be found at:
2014-01-30 - Vulnerability reported to vendor
2014-04-03 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: