Vulnerability CVE-2016-3850

Vulnerability Name:

CVE-2016-3850 (CCN-115942)

Assigned:

2016-08-02

Published:

2016-08-02

Updated:

2016-11-28

Summary:

Integer overflow in app/aboot/aboot.c in the Qualcomm bootloader in Android before 2016-08-05 on Nexus 5, 5X, 6P, and 7 (2013) devices allows attackers to gain privileges via a crafted header field in a boot image, aka Android internal bug 27917291 and Qualcomm internal bug CR945164.

CVSS v3 Severity:

7.3 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN 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 (CCN 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

CVSS v2 Severity:

6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-264

Vulnerability Consequences:

Gain Privileges

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2016-3850

Source: CCN
Type: Android Open Source Project
Android Security BulletinAugust 2016

Source: CONFIRM
Type: Vendor Advisory
http://source.android.com/security/bulletin/2016-08-01.html

Source: BID
Type: UNKNOWN
92236

Source: CCN
Type: BID-92236
Google Nexus Qualcomm Bootloader CVE-2016-3850 Privilege Escalation Vulnerability

Source: XF
Type: UNKNOWN
android-cve20163850-priv-esc(115942)

Source: CONFIRM
Type: Issue Tracking, Patch
https://source.codeaurora.org/quic/la/kernel/lk/commit/?id=030371d45a9dcda4d0cc3c76647e753a1cc1b782

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:*:*:*:*:*:*:*:* (Version <= 6.0.1)

Configuration CCN 1:

cpe:/h:google:nexus_5:-:*:*:*:*:*:*:*

OR cpe:/h:google:nexus_7:-:*:*:*:*:*:*:*

OR cpe:/h:google:nexus_6p:-:*:*:*:*:*:*:*

OR cpe:/h:google:nexus_5x:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.trusty:def:20163850000	V	CVE-2016-3850 on Ubuntu 14.04 LTS (trusty) - medium.	2016-08-05
oval:com.ubuntu.xenial:def:20163850000	V	CVE-2016-3850 on Ubuntu 16.04 LTS (xenial) - medium.	2016-08-05
oval:com.ubuntu.xenial:def:201638500000000	V	CVE-2016-3850 on Ubuntu 16.04 LTS (xenial) - medium.	2016-08-05

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