Vulnerability Name:

CVE-2016-3923 (CCN-117891)

Assigned:2016-10-04
Published:2016-10-04
Updated:2016-11-28
Summary:The Accessibility services in Android 7.0 before 2016-10-01 mishandle motion events, which allows attackers to conduct touchjacking attacks and consequently gain privileges via a crafted application, aka internal bug 30647115.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-284
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2016-3923

Source: CCN
Type: Android Open Source Project
Android Security Bulletin—October 2016

Source: CONFIRM
Type: Vendor Advisory
http://source.android.com/security/bulletin/2016-10-01.html

Source: BID
Type: UNKNOWN
93310

Source: CONFIRM
Type: Issue Tracking, Patch
https://android.googlesource.com/platform/frameworks/base/+/5f256310187b4ff2f13a7abb9afed9126facd7bc

Source: XF
Type: UNKNOWN
android-cve20163923-priv-esc(117891)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-3923

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:*:*:*:*:*:*:*:* (Version <= 7.0)

    • Configuration CCN 1:
  • cpe:/o:google:android:7.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20163923000
    V
    		CVE-2016-3923 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-10-10
    oval:com.ubuntu.xenial:def:20163923000
    V
    		CVE-2016-3923 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-10-10
    oval:com.ubuntu.xenial:def:201639230000000
    V
    		CVE-2016-3923 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-10-10
    BACK
    google android *
    google android 7.0