📄 macOS 10.13.4 (17E199) fgetattrlist Heap Overflow

Proof of concept Metasploit module that exploits a macOS version 10.13.4 heap overflow vulnerability. A kernel heap overflow exists in fgetattrlist due to missing lower-bound buffer size validation when writing returned attributes to caller-supplied memory...

📄 macOS 10.13.4 (17E199) fgetattrlist Heap Overflow

CVE-2018-4243 is a critical kernel heap overflow vulnerability in macOS and iOS affecting the fgetattrlist system call. The vulnerability allows local attackers to trigger kernel heap corruption, potentially leading to kernel panic, privilege escalation, or arbitrary code execution. This particul...

📄 macOS 10.13.4 Heap Overflow

Proof of concept exploit for an old macOS version 10.13.4 heap overflow vulnerability. A kernel heap overflow exists in fgetattrlist due to missing lower-bound buffer size validation when writing returned attributes to caller-supplied memory. When triggered it causes a kernel panic...

MacOS/iOS kernel heap overflow due to lack of lower size check in getvolattrlist(CVE-2018-4243)

getvolattrlist takes a user controlled bufferSize argument via the fgetattrlist syscall. When allocating a kernel buffer to serialize the attr list to there's the following comment: / Allocate a target buffer for attribute results. Note that since we won't ever copy out more than the caller...

macOS / #iOS #Kernel - Heap Overflow Due to Lack of Lower Size Check in getvolattrlist Exploit

Exploit for multiple platform in category dos / poc / getvolattrlist takes a user controlled bufferSize argument via the fgetattrlist syscall. When allocating a kernel buffer to serialize the attr list to there's the following comment: / Allocate a target buffer for attribute results. Note that...

Apple macOSiOS Kernel - Heap Overflow Due to Lack of Lower Size Check in getvolattrlist

Apple macOSiOS Kernel - Heap Overflow Due to Lack of Lower Size Check in getvolattrlist / getvolattrlist takes a user controlled bufferSize argument via the fgetattrlist syscall. When allocating a kernel buffer to serialize the attr list to there's the following comment: / Allocate a target buffe...