Vulnerability CVE-2014-7922


Published: 2015-02-22   Modified: 2015-02-23

Description:
The GoogleAuthUtil.getToken method in the Google Play services SDK before 2015 sets parameters in OAuth token requests upon finding a corresponding _opt_ parameter in the Bundle extras argument, which allows attackers to bypass an intended consent dialog and retrieve tokens for arbitrary OAuth scopes including the SID and LSID scopes, and consequently obtain access to a Google account, via a crafted application, as demonstrated by setting the has_permission=1 parameter value upon finding _opt_has_permission in that argument.

Type:

CWE-264

(Permissions, Privileges, and Access Controls)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Google -> Play services sdk 

 References:
https://gist.github.com/isciurus/df4d7edd9c3efb4a0753
http://isciurus.blogspot.com/2015/01/android-app-with-full-control-over-your.html

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