Google Android up to 5.1.0 Region Region.cpp Region_createFromParcel access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Android up to 5.1.0. This impacts the function Region_createFromParcel of the file core/jni/android/graphics/Region.cpp of the component Region. This manipulation causes access control. This vulnerability is registered as CVE-2015-3849. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Google Android up to 5.1.0 (Smartphone Operating System). Affected by this vulnerability is the function Region_createFromParcel of the file core/jni/android/graphics/Region.cpp of the component Region. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Region_createFromParcel function in core/jni/android/graphics/Region.cpp in Region in Android before 5.1.1 LMY48M does not check the return values of certain read operations, which allows attackers to execute arbitrary code via an application that sends a crafted message to a service, aka internal bug 21585255.

The weakness was published 10/01/2015 as 21585255 (Website). It is possible to read the advisory at groups.google.com. This vulnerability is known as CVE-2015-3849 since 05/12/2015. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD at the moment (estimation calculated on 01/12/2018). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 5.1.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Similar entries are available at VDB-78161, VDB-78174, VDB-78176 and VDB-78177. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

Version

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Android 5.1.1

Timelineinfo

04/21/2015 🔍
05/12/2015 +21 days 🔍
09/30/2015 +141 days 🔍
10/01/2015 +1 days 🔍
10/01/2015 +0 days 🔍
01/12/2018 +834 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: 21585255
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3849 (🔍)
GCVE (CVE): GCVE-0-2015-3849
GCVE (VulDB): GCVE-100-78175
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/01/2015 15:11
Updated: 01/12/2018 09:17
Changes: 10/01/2015 15:11 (55), 01/12/2018 09:17 (2)
Complete: 🔍
Cache ID: 216::103