[CVE-2014-1664] GoToMeeting Information Disclosure via Logging Output (Android)

1. ADVISORY INFORMATION
   ========================
   Title: GoToMeeting Information Disclosure via Logging Output (Android)
   CVE: CVE-2014-1664
   CVE Information: ASSIGNED
   Date published: PUBLIC
   Date of last update: 01/23/2014
   Vendor Contacted: Citrix
   Release mode: Coordinated Release

2. VULNERABILITY INFORMATION
   =============================
   Class: Information Disclosure
   Impact: CVSS Details specified below
   Remotely Exploitable: No
   Locally Exploitable: Yes
   CVE Name: [CVE-2014-1664] GoToMeeting Information Disclosure via Logging Output (Android)

3. VULNERABILITY DESCRIPTION
   ============================
   The latest release of the software is vulnerable to information disclosure via logging output, resulting in the leak of userID, meeting details, and authentication tokens. Android applications with permissions to read system log files may obtain the leaked information.

4. VULNERABLE PACKAGES
   ======================

• com.citrixonline.android.gotomeeting-1.apk version 5.0.799.1238 (Android)

5. NON-VULNERABLE PACKAGES
   ==========================

• other platforms untested

6. CREDITS
   ===========
   This vulnerability was discovered and researched by Claudio J. Lacayo.

7. TECHNICAL DESCRIPTION / PROOF OF CONCEPT CODE
   =================================================
   <! ----- SNIPPET ------- !>

D/G2M (32190): HttpRequest to: https://www2.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?Portal=www.gotomeeting.com&amp;android=true&amp;MeetingID=[MEETING_ID_REDACTED]
E/qcom_sensors_hal( 787): hal_process_report_ind: Bad item quality: 11
D/dalvikvm(32190): GC_CONCURRENT freed 1322K, 43% free 20491K/35456K, paused 6ms+1ms, total 33ms
D/G2M (32190): HttpRequest response from: GET https://www2.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?Portal=www.gotomeeting.com&amp;android=true&amp;MeetingID=[MEETING_ID_REDACTED] -> 200
D/G2M (32190): HttpRequest response body: GET https://www2.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?Portal=www.gotomeeting.com&amp;android=true&amp;MeetingID=[MEETING_ID_REDACTED] -> {"Status":"Redirect","RedirectHost":"www1.gotomeeting.com","MeetingId":"[MEETING_ID_REDACTED]"}
D/G2M (32190): Got 302 from legacy JSON API: www1.gotomeeting.com
D/G2M (32190): HttpRequest to: https://www1.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?android=true&amp;MeetingID=[MEETING_ID_REDACTED]
D/G2M (32190): HttpRequest response from: GET https://www1.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?android=true&amp;MeetingID=[MEETING_ID_REDACTED] -> 200
D/G2M (32190): HttpRequest response body: GET https://www1.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?android=true&amp;MeetingID=[MEETING_ID_REDACTED] -> {"Status":"MeetingNotStarted","MeetingId":"[MEETING_ID_REDACTED]","IsRecurring":false,"Endpoints":["Native"],"OrganizerName":"[REDACTED]","Subject":"[REDACTED]","MaxAttendees":100,"IsWebinar":false,"AudioParameters":{"CommParams":{"disableUdp":false},"ConferenceParams":{"supportedModes":"VoIP,PSTN,Private","initialMode":"Hybrid","SpeakerInfo":{"PhoneInfo":[{"description":"Default","number":"[REDACTED],"authToken":"AAFe4rYexu4Dm7qrL45/Egx+AAAAAFLdeSkAAAAAUt7KqUbWYmXH3OcczkhGaWRf0wM2OKWa","accessCode":"REDACTED"},"userId":"userId","authToken":"EAEBAQEBAQEBAQEBAQEBAQE=","privateMessage":"","audioKey":-1,"BridgeMutingControl":true,"VCBParams":{"Codec":[{"payloadType":103,"frameLength":30,"name":"ISAC","bitrate":32000,"channels":1,"samplingRate":16000},{"payloadType":0,"frameLength":20,"name":"PCMU","bitrate":64000,"ch
annels":1,"samplingRate":8000}],"VCB":{"port":5060,"ipAddr":"10.23.70.151"},"Options":{"asUpdates":true,"rtUpdates":true,"dtx":false}}}},"EndTime":1390239900000,"StartTime":1390237200000,"IsImpromptu":false}
D/G2M (32190): Got response from legacy JSON API: 200
D/G2M (32190): JoinService: Attempting to join Meeting
D/G2M (32190): MeetingService: Starting Meeting join on legacy…
D/G2M (32190): HttpRequest to: https://www.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?android=true&amp;MeetingID=[MEETING_ID_REDACTED]&amp;PhoneInfo=,MachineID=WFNUUVtWBVRUVwRQAwUCAA==,G2MAppVersion=5.0.799.1238,BuildType=releaseBuild,Brand=google,Manufacturer=LGE,Model=Nexus5,AndroidVersionRelease=4.4.2,AndroidVersionIncremental=937116,ID=KOT49H,Product=hammerhead,Device=hammerhead,CpuABI=armeabi-v7a
D/G2M (32190): ServiceResolver: COLService: BaseURL [https://www1.gotomeeting.com], isLegacy [true}, isWebinar [false]
D/G2M (32190): HttpRequest response from: GET https://www1.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?Portal=www.gotomeeting.com&amp;android=true&amp;MeetingID=[MEETING_ID_REDACTED]&amp;PhoneInfo=,MachineID=WFNUUVtWBVRUVwRQAwUCAA==,G2MAppVersion=5.0.799.1238,BuildType=releaseBuild,Brand=google,Manufacturer=LGE,Model=Nexus5,AndroidVersionRelease=4.4.2,AndroidVersionIncremental=937116,ID=KOT49H,Product=hammerhead,Device=hammerhead,CpuABI=armeabi-v7a -> 302
D/G2M (32190): HttpRequest response body: GET https://www1.gotomeeting.com/meeting/getInfo/[MEETING_ID_REDACTED]?Portal=www.gotomeeting.com&amp;android=true&amp;MeetingID=[MEETING_ID_REDACTED]&amp;PhoneInfo=,MachineID=WFNUUVtWBVRUVwRQAwUCAA==,G2MAppVersion=5.0.799.1238,BuildType=releaseBuild,Brand=google,Manufacturer=LGE,Model=Nexus5,AndroidVersionRelease=4.4.2,AndroidVersionIncremental=937116,ID=KOT49H,Product=hammerhead,Device=hammerhead,CpuABI=armeabi-v7a -> <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">

<! ----- SNIPPET ------- !>

8. CVSS 2.0 BASE METRICS
   ========================
   Reference Base Vector Base Score
   CVSS Base Score
   5.4
   Impact Subscore
   7.8
   Exploitability Subscore
   3.4
   CVSS Temporal Score
   5.1
   CVSS Environmental Score
   6.6
   Modified Impact Subscore
   10
   Overall CVSS Score
   6.6

9. REPORT TIMELINE
   ==================
   [1] 01/20/2014 - Vulnerability discovered, internal contact notified
   [2] 01/21/2014 - Citrix security team notified via email
   [3] 01/22/2014 - Citrix asked for testing environment details; provided.
   [4] 01/23/2014 - CVE provided by CNA; public disclosure.

10. REFERENCES
    =============
    https://www.securecoding.cert.org/confluence/display/java/DRD04-J.+Do+not+log+sensitive+information
    https://play.google.com/store/apps/details?id=com.nolanlawson.logcat&amp;hl=en
    https://drive.google.com/file/d/0B3eEtV83VTFUWEgxSTRac3JvZlk/edit?usp=sharing
    http://nvd.nist.gov/cvss.cfm?calculator&amp;adv&amp;version=2