xattr-oob-swap

xattr-oob-swap CVE-2020-27904: a tfp0 bug for macOS 10.15.x and below. Demo exploit code for my talk at BlackHat ASIA 2021. The vulnerability has been fixed in macOS Big Sur 11.0, and the latest 10.15&10.14 security update. Warranty Use it on your own risk. This will make you macOS panic. I build...

CVE-2020-27904

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges...

Exploit for CVE-2020-27904

xattr-oob-swap CVE-2020-27904: a tfp0 bug for macOS 10.15.x a...

macOS 10.14.x < 10.14.6 Security Update 2021-001 / 10.15.x < 10.15.7 Security Update 2021-001 / macOS 11.x < 11.2 (HT212147)

The remote host is running a version of macOS / Mac OS X that is 10.14.x prior to 10.14.6 Security Update 2021-001 Mojave, 10.15.x prior to 10.15.7 Security Update 2021-001 Catalina, or 11.x prior to 11.2. It is, therefore, affected by multiple vulnerabilities, including the following: - A logic...

CVE-2020-27904

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges...

CVE-2020-27904

Summary of CVE-2020-27904 : Apple macOS Big Sur 11.0.1 fixes a kernel-level memory corruption issue described as a logic issue that could allow an application to execute arbitrary code with kernel privileges. The root cause is disclosed as memory corruption in kernel components and was addressed ...