Vulnerability CVE-2019-2137

Vulnerability Name:

CVE-2019-2137 (CCN-165684)

Assigned:

2018-12-10

Published:

2019-08-12

Updated:

2021-07-21

Summary:

In the endCall() function of TelecomManager.java, there is a possible Denial of Service due to a missing permission check. This could lead to local denial of access to Emergency Services with User execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-132438333.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2019-2137

Source: CCN
Type: Google Web site
Android

Source: XF
Type: UNKNOWN
android-cve20192137-dos(165684)

Source: CCN
Type: Android Open Source Project
Android Security Bulletin - August 2019

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2019-08-01

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:google:android:9.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:201921370000000	V	CVE-2019-2137 on Ubuntu 19.04 (disco) - medium.	2019-08-20
oval:com.ubuntu.bionic:def:201921370000000	V	CVE-2019-2137 on Ubuntu 18.04 LTS (bionic) - medium.	2019-08-20
oval:com.ubuntu.xenial:def:201921370000000	V	CVE-2019-2137 on Ubuntu 16.04 LTS (xenial) - medium.	2019-08-20

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