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Category:   Device (VoIP/Phone/FAX)  >   Google Android Vendors:   Google
Google Android Certificate Chain Validation Flaw Lets Applications Gain Elevated Privileges
SecurityTracker Alert ID:  1030654
SecurityTracker URL:  http://securitytracker.com/id/1030654
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 30 2014
Impact:   Disclosure of system information, Disclosure of user information, Modification of system information, Modification of user information, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.1 - 4.4
Description:   A vulnerability was reported in Google Android. An application can obtain elevated privileges on the target system.

The software does not properly validate an application's certificate chain. An application can supply a specially crafted application identity certificate to impersonate a privileged application and gain access to vendor-specific device administration extensions.

The vulnerability resides in the createChain() and findCert() functions of the Android JarUtils class.

The original advisory is available at:

http://bluebox.com/blog/technical/android-fake-id-vulnerability/

Jeff Forristal from Bluebox Security reported this vulnerability.

Impact:   An application can obtain elevated privileges on the target system.
Solution:   The vendor has issued a patch (see Google bug 13678484) [in April 2014].
Vendor URL:  www.android.com/ (Links to External Site)
Cause:   Authentication error

Message History:   None.


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