Apple macOS - 32-bit syscall exit Kernel Register Leak Exploit

Exploit for macOS platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1149 The XNU kernel, when compiled for a x86-64 CPU, can run 32-bit x86 binaries in compatibility mode. 32-bit binaries use partly separate syscall entry and exit paths. To return to...

Apple macOS - 32-bit syscall exit Kernel Register Leak

Apple macOS - 32-bit syscall exit Kernel Register Leak Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1149 The XNU kernel, when compiled for a x86-64 CPU, can run 32-bit x86 binaries in compatibility mode. 32-bit binaries use partly separate syscall entry and exit paths. To...

Apple macOS - '32-bit syscall exit' Kernel Register Leak

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1149 The XNU kernel, when compiled for a x86-64 CPU, can run 32-bit x86 binaries in compatibility mode. 32-bit binaries use partly separate syscall entry and exit paths. To return to userspace, unixsyscall in...

XNU kernel UaF due to lack of locking in set_dp_control_port (CVE-2016-7644)

setdpcontrolport is a MIG method on the hostprivport so this bug is a root-kernel escalation. kernreturnt setdpcontrolport hostprivt hostpriv, ipcportt controlport if hostpriv == HOSTPRIVNULL return KERNINVALIDHOST; if IPVALIDdynamicpagercontrolport ipcportreleasesenddynamicpagercontrolport;...

macOS Kernel 10.12.3 (16D32) - Use-After-Free Due to Double-Release in posix_spawn Exploit

Exploit for multiple platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1104 exechandleportactions is responsible for handling the xnu port actions extension to posixspawn. It supports 4 different types of port PSPASPECIAL, PSPAEXCEPTION,...

iOS 10.1.1 / macOS 10.12 16A323 XNU Kernel - set_dp_control_port Lack of Locking Use-After-Free Vuln

Exploit for multiple platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=965 setdpcontrolport is a MIG method on the hostprivport so this bug is a root-kernel escalation. kernreturnt setdpcontrolport hostprivt hostpriv, ipcportt controlport if hostpriv...

Apple macOS 10.12 16A323 XNU Kernel / iOS 10.1.1 - 'set_dp_control_port' Lack of Locking Use-After-Free

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=965 setdpcontrolport is a MIG method on the hostprivport so this bug is a root-kernel escalation. kernreturnt setdpcontrolport hostprivt hostpriv, ipcportt controlport if hostpriv == HOSTPRIVNULL return KERNINVALIDHOST; if...

Apple macOS 10.12 16A323 XNU Kernel iOS 10.1.1 - set_dp_control_port Lack of Locking Use-After-Free

Apple macOS 10.12 16A323 XNU Kernel iOS 10.1.1 - setdpcontrolport Lack of Locking Use-After-Free Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=965 setdpcontrolport is a MIG method on the hostprivport so this bug is a root-kernel escalation. kernreturnt setdpcontrolport hostpri...

task_t considered harmful

Posted by Ian Beer, Project Zero This post discusses a design issue at the core of the XNU kernel which powers iOS and MacOS. Apple have shipped two iterations of mitigations followed yesterday by a large refactor in MacOS 10.12.1/iOS 10.1. We’ll look at the bugs, how they can be exploited to...

Apple OS X 10.10.5 - rootsh Local Privilege Escalation

Apple OS X 10.10.5 - rootsh Local Privilege Escalation rootsh rootsh is a local privilege escalation targeting OS X Yosemite 10.10.5 build 14F27. It exploits CVE-2016-1758 and CVE-2016-1828, two vulnerabilities in XNU that were patched in OS X El Capitan 10.11.4 and 10.11.5. rootsh will not work ...

Apple Mac OSX / iOS - Unsandboxable Kernel Code Exection Due to iokit Double Release in IOKit

Exploit for multiple platform in category dos / poc Source: https://code.google.com/p/google-security-research/issues/detail?id=620 I wanted to demonstrate that these iOS/OS X kernel race condition really are exploitable so here's a PoC which gets RIP on OS X. The same techniques should transfer...

Apple Mac OSX iOS - Unsandboxable Kernel Code Exection Due to iokit Double Release in IOKit

Apple Mac OSX iOS - Unsandboxable Kernel Code Exection Due to iokit Double Release in IOKit Source: https://code.google.com/p/google-security-research/issues/detail?id=620 I wanted to demonstrate that these iOS/OS X kernel race condition really are exploitable so here's a PoC which gets RIP on OS...

CVE-2015-7046

The Sandbox feature in xnu in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 does not properly implement privilege separation, which allows attackers to bypass the ASLR protection mechanism via a crafted app with root privileges...

Design/Logic Flaw

The Sandbox feature in xnu in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 does not properly implement privilege separation, which allows attackers to bypass the ASLR protection mechanism via a crafted app with root privileges...

CVE-2015-7046

The Sandbox feature in xnu in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 does not properly implement privilege separation, which allows attackers to bypass the ASLR protection mechanism via a crafted app with root privileges...

The vulnerability of the iOS operating system, which allows a hacker to trigger a service failure

The vulnerability of the XNU kernel component of the iOS operating system exists due to insufficient checking of input data. Exploiting this vulnerability allows a malicious actor to cause service failure by sending a TCP packet containing a specially crafted header...

CVE-2015-5879

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service TCP connection disruption via a crafted header...

Design/Logic Flaw

XNU in the kernel in Apple iOS before 9 does not properly validate the headers of TCP packets, which allows remote attackers to bypass the sequence-number protection mechanism and cause a denial of service TCP connection disruption via a crafted header...

CVE-2015-5842

XNU in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive memory-layout information via unknown vectors...

Memory corruption

XNU in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive memory-layout information via unknown vectors...