Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2016-0818

Severity CVSS v4.0:
Pending analysis
Type:
CWE-254 Security Features
Publication date:
12/03/2016
Last modified:
12/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.2.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.3:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:4.4.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools