Vulnerability CVE-2019-2000

Vulnerability Name:

CVE-2019-2000 (CCN-156831)

Assigned:

2018-11-23

Published:

2018-11-23

Updated:

2021-07-21

Summary:

In several functions of binder.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025789.

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:L/UI:N/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: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

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-416

Vulnerability Consequences:

Gain Privileges

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2019-2000

Source: BID
Type: Third Party Advisory, VDB Entry
106851

Source: CCN
Type: Google Security Research Issue 1719
Issue 1719: Android: binder use-after-free via fdget() optimization

Source: XF
Type: UNKNOWN
android-cve20192000-priv-esc(156831)

Source: CCN
Type: Packet Storm Security [02-12-2019]
Android Binder fdget() Optimization Use-After-Free

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2019-02-01

Source: CCN
Type: Android Open Source Project
Android Security Bulletin February 2019

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [02-12-2019]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
46356

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-2000

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.bionic:def:20192000000	V	CVE-2019-2000 on Ubuntu 18.04 LTS (bionic) - medium.	2019-02-28
oval:com.ubuntu.cosmic:def:201920000000000	V	CVE-2019-2000 on Ubuntu 18.10 (cosmic) - medium.	2019-02-28
oval:com.ubuntu.cosmic:def:20192000000	V	CVE-2019-2000 on Ubuntu 18.10 (cosmic) - medium.	2019-02-28
oval:com.ubuntu.bionic:def:201920000000000	V	CVE-2019-2000 on Ubuntu 18.04 LTS (bionic) - medium.	2019-02-28
oval:com.ubuntu.trusty:def:20192000000	V	CVE-2019-2000 on Ubuntu 14.04 LTS (trusty) - medium.	2019-02-28
oval:com.ubuntu.xenial:def:201920000000000	V	CVE-2019-2000 on Ubuntu 16.04 LTS (xenial) - medium.	2019-02-28
oval:com.ubuntu.xenial:def:20192000000	V	CVE-2019-2000 on Ubuntu 16.04 LTS (xenial) - medium.	2019-02-28

BACK