Apple Safari RenderBox Use-After-Free Remote Code Execution VulnerabilityZDI-17-241: March 30th, 2017
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 RenderBox objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to achieve remote code execution under the context of the process.
Vendor ResponseApple has issued an update to correct this vulnerability. More details can be found at:
2017-01-20 - Vulnerability reported to vendor
2017-03-30 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Kai Kang(a.k.a 4B5F5F4B) of Tencent's Xuanwu LAB(http://www.tencent.com)