Vulnerability Name:

CVE-2016-2420 (CCN-112352)

Assigned:2016-04-07
Published:2016-04-07
Updated:2016-04-22
Summary:rootdir/init.rc in Android 4.x before 4.4.4 does not ensure that the /data/tombstones directory exists for the Debuggerd component, which allows attackers to gain privileges via a crafted application, aka internal bug 26403620.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2016-2420

Source: CCN
Type: Android Open Source Project
Nexus Security Bulletin—April 2016

Source: CONFIRM
Type: Vendor Advisory
http://source.android.com/security/bulletin/2016-04-02.html

Source: CONFIRM
Type: UNKNOWN
https://android.googlesource.com/platform/system/core/+/669ecc2f5e80ff924fa20ce7445354a7c5bcfd98

Source: CONFIRM
Type: UNKNOWN
https://android.googlesource.com/platform/system/core/+/81df1cc77722000f8d0025c1ab00ced123aa573c

Source: XF
Type: UNKNOWN
android-cve20162420-priv-esc(112352)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-2420

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.0.4:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.3:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.4:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.4.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.4.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:4.4.3:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:google:android:6.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201624200000000
    V
    		CVE-2016-2420 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-04-18
    oval:com.ubuntu.trusty:def:20162420000
    V
    		CVE-2016-2420 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-04-17
    oval:com.ubuntu.xenial:def:20162420000
    V
    		CVE-2016-2420 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-04-17
    BACK
    google android 4.0
    google android 4.0.1
    google android 4.0.2
    google android 4.0.3
    google android 4.0.4
    google android 4.1
    google android 4.1.2
    google android 4.2
    google android 4.2.1
    google android 4.2.2
    google android 4.3
    google android 4.3.1
    google android 4.4
    google android 4.4.1
    google android 4.4.2
    google android 4.4.3
    google android 5.0
    google android 5.0.1
    google android 5.1
    google android 5.1.0
    google android 6.0
    google android 6.0.1
    google android 6.0.1