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CVE-2014-4322 PoC — QSEECOM driver for the Linux kernel 安全漏洞

Source
https://github.com/retme7/CVE-2014-4322_poc
Associated Vulnerability
Title:QSEECOM driver for the Linux kernel 安全漏洞 (CVE-2014-4322)
Description:drivers/misc/qseecom.c in the QSEECOM driver for the Linux kernel 3.x, as used in Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not validate certain offset, length, and base values within an ioctl call, which allows attackers to gain privileges or cause a denial of service (memory corruption) via a crafted application.
Description
Gain privileges:system -> root,as a part of  https://github.com/retme7/CVE-2014-7911_poc
Readme
# CVE-2014-4322_poc

poc code works on Nexus Android 4.4/5.0
Gain privileges:system -> root,as a part of  https://github.com/retme7/CVE-2014-7911_poc

author:  retme  (retme7@gmail.com)  

@returnsme on twitter & @retme on weibo

website: retme.net

The exploit must be excuted as system privilege and  several specific  SELinux  context.
If exploit successed,you will gain root privilege and "kernel" SELinux  context

# bug info
https://www.codeaurora.org/projects/security-advisories/memory-corruption-qseecom-driver-cve-2014-4322

#how to build
  ndk-build

#usage 

* Kitkat:

run  exploit as  system privilege

* Lolipop:

run  exploit as  system privilege,with SELinux context  such as "keystore","vold","drmserver","mediaserver","surfaceflinger"

If exploit successed,you will gain root privilege and "kernel" SELinux  context
File Snapshot

 [4.0K]  /data/pocs/fd7f5bce49f5f5aae838b4af271daf2b5e76323e
├── [4.0K]  jni
│   ├── [ 280]  Android.mk
│   ├── [  61]  Application.mk
│   ├── [ 14K]  msm.c
│   ├── [6.2K]  qseecom.h
│   └── [ 238]  shellcode.S
├── [ 11K]  kernel.h
├── [4.0K]  libs
│   └── [4.0K]  armeabi
│       └── [ 13K]  msdd
├── [4.0K]  obj
│   └── [4.0K]  local
│       └── [4.0K]  armeabi
│           ├── [ 48K]  msdd
│           └── [4.0K]  objs
│               └── [4.0K]  msdd
│                   ├── [ 22K]  msm.o
│                   ├── [ 29K]  msm.o.d
│                   ├── [1.4K]  shellcode.o
│                   └── [ 563]  shellcode.o.d
└── [ 835]  README.md

8 directories, 13 files
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