Vulnerability Note VU#1680209
AppsGeyser generates Android applications that fail to properly validate SSL certificates
Original Release date: 19 Dec 2014 | Last revised: 07 Jan 2015

Overview
AppsGeyser generates applications that fail to properly validate SSL certificates.

Description
AppsGeyser is an online tool that generates Android applications. At the time of publication of this vulnerability note, the AppsGeyser website claims to have generated over 1.3 million Android applications. The applications that are generated by AppsGeyser include code that disables SSL certificate validation for HTTPS traffic.

Impact
When a victim is using an application generated by AppsGeyser, an attacker on the same network as the Android device may be able to view or modify network traffic that should have been protected by HTTPS. The impact varies based on what the application is doing. Possible outcomes include credential stealing or arbitrary code execution.

Solution
Regenerate affected Android applications
The AppsGeyser application generator has been updated to correctly validate SSL certificates. Any applications that were created before December 24, 2014 should be regenerated.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate UpdatedAppsGeyserAffected12 Dec 201419 Dec 2014If you are a vendor and your product is affected, let
us know.

CVSS Metrics (Learn More)

Group
Score
Vector

Base
0.0
AV:–/AC:–/Au:–/C:–/I:–/A:–

Temporal
0.0
E:ND/RL:ND/RC:ND

Environmental
0.0
CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND

References

http://www.kb.cert.org/vuls/id/582497

http://www.appsgeyser.com/
https://docs.google.com/spreadsheets/d/1t5GXwjw82SyunALVJb2w0zi3FoLRIkfGPc7AMjRF0r4/edit?usp=sharing
http://www.fireeye.com/blog/technical/2014/08/ssl-vulnerabilities-who-listens-when-android-applications-talk.html
http://developer.android.com/training/articles/security-ssl.html
http://www.ftc.gov/news-events/press-releases/2014/03/fandango-credit-karma-settle-ftc-charges-they-deceived-consumers
http://android-ssl.org/
http://android-ssl.org/files/p49.pdf
http://android-ssl.org/files/p50-fahl.pdf
http://cwe.mitre.org/data/definitions/295.html
http://cwe.mitre.org/data/definitions/296.html

Credit

This vulnerability was reported by Will Dormann of the CERT/CC.
This document was written by Will Dormann.

Other Information

CVE IDs:
Unknown

Date Public:
12 Dec 2014

Date First Published:
19 Dec 2014

Date Last Updated:
07 Jan 2015

Document Revision:
14

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