Vulnerability CVE-2017-13216

Vulnerability Name:

CVE-2017-13216 (CCN-137489)

Assigned:

2017-08-23

Published:

2018-01-05

Updated:

2018-01-30

Summary:

In ashmem_ioctl of ashmem.c, there is an out-of-bounds write due to insufficient locking when accessing asma. This could lead to a local elevation of privilege enabling code execution as a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-66954097.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
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)
7.0 High (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:P/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:

7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low 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-787

Vulnerability Consequences:

Gain Access

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2017-13216

Source: BID
Type: Third Party Advisory, VDB Entry
102390

Source: CCN
Type: BID-102390
Google Android Kernel Components Privilege Escalation and Information Disclosure Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040106

Source: XF
Type: UNKNOWN
android-cve201713216-code-exec(137489)

Source: CCN
Type: Packet Storm Security [01-10-2018]
Android ashmem Race Condition

Source: CCN
Type: Android Open Source Project
Android Security BulletinJanuary 2018

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2018-01-01

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [01-08-2018]

Source: EXPLOIT-DB
Type: Third Party Advisory, VDB Entry
43464

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:google:android:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.artful:def:201713216000	V	CVE-2017-13216 on Ubuntu 17.10 (artful) - medium.	2018-01-12
oval:com.ubuntu.bionic:def:2017132160000000	V	CVE-2017-13216 on Ubuntu 18.04 LTS (bionic) - medium.	2018-01-12
oval:com.ubuntu.bionic:def:201713216000	V	CVE-2017-13216 on Ubuntu 18.04 LTS (bionic) - medium.	2018-01-12
oval:com.ubuntu.xenial:def:2017132160000000	V	CVE-2017-13216 on Ubuntu 16.04 LTS (xenial) - medium.	2018-01-12
oval:com.ubuntu.trusty:def:201713216000	V	CVE-2017-13216 on Ubuntu 14.04 LTS (trusty) - medium.	2018-01-12
oval:com.ubuntu.xenial:def:201713216000	V	CVE-2017-13216 on Ubuntu 16.04 LTS (xenial) - medium.	2018-01-12

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