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Files from Nick Peterson

First Active2018-05-08
Last Active2018-07-13
Microsoft Windows POP/MOV SS Local Privilege Elevation
Posted Jul 13, 2018
Authored by Nick Peterson, can1357, bwatters-r7, Nemanja Mulasmajic | Site metasploit.com

This Metasploit module exploits a vulnerability in a statement in the system programming guide of the Intel 64 and IA-32 architectures software developer's manual being mishandled in various operating system kernels, resulting in unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS. This Metasploit module will upload the pre-compiled exploit and use it to execute the final payload in order to gain remote code execution.

tags | exploit, remote, kernel, code execution
advisories | CVE-2018-8897
MD5 | b8b99ed8f1e3a142c6687c6ea9be2219
FreeBSD Security Advisory - FreeBSD-SA-18:06.debugreg
Posted May 8, 2018
Authored by Nick Peterson | Site security.freebsd.org

FreeBSD Security Advisory - The MOV SS and POP SS instructions inhibit debug exceptions until the instruction boundary following the next instruction. If that instruction is a system call or similar instruction that transfers control to the operating system, the debug exception will be handled in the kernel context instead of the user context. An authenticated local attacker may be able to read sensitive data in kernel memory, control low-level operating system functions, or may panic the system.

tags | advisory, kernel, local
systems | freebsd, bsd
advisories | CVE-2018-8897
MD5 | 05c71c8dc70ff40f5b7968260285a503
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