Vulnerability CVE-2014-7953


Published: 2017-07-07   Modified: 2017-07-13

Description:
Race condition in the bindBackupAgent method in the ActivityManagerService in Android 4.4.4 allows local users with adb shell access to execute arbitrary code or any valid package as system by running "pm install" with the target apk, and simultaneously running a crafted script to process logcat's output looking for a dexopt line, which once found should execute bindBackupAgent with the uid member of the ApplicationInfo parameter set to 1000.

Vendor: Google
Product: Android 
Version: 4.4.4;

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
http://seclists.org/fulldisclosure/2015/Apr/52
http://www.securityfocus.com/archive/1/archive/1/535296/100/1100/threaded
http://www.securityfocus.com/bid/74213
https://android.googlesource.com/platform/frameworks/base/+/a8f6d1b%5E%21/

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