VDB-115239 · CVE-2017-15826 · GCVE-0-2017-15826

Google Android MDSS Rotator double free

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Android. It has been classified as critical. This vulnerability affects unknown code of the component MDSS Rotator. Performing a manipulation results in double free. This vulnerability is cataloged as CVE-2017-15826. The attack must be initiated from a local position. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (unknown version). This affects an unknown code block of the component MDSS Rotator. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Due to a race condition in MDSS rotator in Android for MSM, Firefox OS for MSM, and QRD Android before 2017-10-20, a double free vulnerability may potentially exist when two threads free the same perf structures.

The bug was discovered 02/05/2018. The weakness was shared 03/30/2018 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2017-15826 since 10/24/2017. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 53 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries VDB-110104, VDB-113150, VDB-113156 and VDB-113159 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: source.codeaurora.org

Timelineinfo

10/24/2017 🔍
02/05/2018 +104 days 🔍
03/30/2018 +53 days 🔍
03/30/2018 +0 days 🔍
03/31/2018 +1 days 🔍
02/24/2023 +1791 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-15826 (🔍)
GCVE (CVE): GCVE-0-2017-15826
GCVE (VulDB): GCVE-100-115239
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/31/2018 09:55
Updated: 02/24/2023 14:49
Changes: 03/31/2018 09:55 (60), 01/18/2020 10:05 (2), 02/24/2023 14:49 (4)
Complete: 🔍
Cache ID: 216::103