CVE-2019-13272 PoC — Linux kernel 权限许可和访问控制问题漏洞

Source

https://github.com/GgKendall/secureCodingDemo

Associated Vulnerability

Title: Linux kernel 权限许可和访问控制问题漏洞 (CVE-2019-13272)
Description:In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit's pkexec helper with PTRACE_TRACEME. NOTE: SELinux deny_ptrace might be a usable workaround in some environments.

Description

fall2022 secure coding CVE-2019-13272 : Linux Kernel Improper Privilege Management Vulnerability

Readme

# secureCodingDemo
fall2022 secure coding CVE-2019-13272 : Linux Kernel Improper Privilege Management Vulnerability
Georgette Kendall
CSEC 302
Monday, November 14, 2022

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