SSD Advisory – iOS/macOS Kernel task_inspect Information Leak

Vulnerabilities Summary
The following advisory discusses a bug found in the kernel function task_inspect which a local user may exploit in order to read kernel memory due to an uninitialized variable.

Vendor Response
“Kernel:
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to read kernel memory
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2018-4431: An independent security researcher has reported this vulnerability to
Beyond Security’s SecuriTeam Secure Disclosure program

Kernel:
Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.1
Impact: A local user may be able to read kernel memory
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2018-4431: An independent security researcher has reported this
vulnerability to Beyond Security’s SecuriTeam Secure Disclosure
program”

CVE
CVE-2018-4431

Credit
An independent Security Researcher has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Continue reading SSD Advisory – iOS/macOS Kernel task_inspect Information Leak

SSD Advisory – Firefox Information Leak

Vulnerabilities Summary
A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process.

Vendor Response
The security vulnerability was fixed in Firefox 62.0.3 and Firefox ESR 60.2.2

CVE
CVE-2018-12387

Credit
Independent security researchers, Bruno Keith and Niklas Baumstark, have reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.
Continue reading SSD Advisory – Firefox Information Leak