Vulnerability Name:

CVE-2016-0818 (CCN-111483)

Assigned:2015-12-16
Published:2016-03-01
Updated:2016-11-28
Summary:The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
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
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-345
CWE-254
Vulnerability Consequences:Gain Access
References:Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2016-0818

Source: CCN
Type: Android Open Source Project
Nexus Security Bulletin - March 2016

Source: CONFIRM
Type: Vendor Advisory
http://source.android.com/security/bulletin/2016-03-01.html

Source: BID
Type: UNKNOWN
84245

Source: CONFIRM
Type: UNKNOWN
https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0

Source: CONFIRM
Type: UNKNOWN
https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779

Source: XF
Type: UNKNOWN
android-cve20160818-spoofing(111483)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-0818

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:5.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:google:android:4.4:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:5.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:6.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20160818000
    V
    		CVE-2016-0818 on Ubuntu 14.04 LTS (trusty) - low.
    2016-03-12
    oval:com.ubuntu.xenial:def:20160818000
    V
    		CVE-2016-0818 on Ubuntu 16.04 LTS (xenial) - low.
    2016-03-12
    oval:com.ubuntu.xenial:def:201608180000000
    V
    		CVE-2016-0818 on Ubuntu 16.04 LTS (xenial) - low.
    2016-03-12
    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 5.0.2
    google android 5.1
    google android 5.1.0
    google android 5.1.1
    google android 6.0
    google android 6.0.1
    google android 4.4
    google android 5.0
    google android 5.1
    google android 5.1.1
    google android 6.0
    google android 6.0.1