VDB-99785 · CVE-2015-7740 · GCVE-0-2015-7740

Huawei P7/P8 GPU Driver Application input validation

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Huawei P7 and P8. It has been rated as problematic. This issue affects some unknown processing of the component GPU Driver. The manipulation as part of Application leads to input validation. This vulnerability is referenced as CVE-2015-7740. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Huawei P7 and P8 (Smartphone Operating System) (version unknown). This issue affects an unknown function of the component GPU Driver. The manipulation as part of a Application leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Huawei P7 before P7-L00C17B851, P7-L05C00B851, and P7-L09C92B851 and P8 ALE-UL00 before ALE-UL00B211 allows local users to cause a denial of service (OS crash) via vectors involving an application that passes crafted input to the GPU driver.

The bug was discovered 10/07/2015. The weakness was published 04/13/2017 (Website). The advisory is shared at www1.huawei.com. The identification of this vulnerability is CVE-2015-7740 since 10/07/2015. An attack has to be approached locally. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 554 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Similar entry is available at VDB-99787. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Huawei

Name

License

commercial

Website

Vendor: https://www.huawei.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Input validation
CWE: CWE-20
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/07/2015 🔍
10/07/2015 +0 days 🔍
04/13/2017 +554 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
08/30/2020 +1234 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: www1.huawei.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7740 (🔍)
GCVE (CVE): GCVE-0-2015-7740
GCVE (VulDB): GCVE-100-99785
OSVDB: - CVE-2015-7740 - Huawei - Multiple Products - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 10:14
Updated: 08/30/2020 16:05
Changes: 04/14/2017 10:14 (53), 08/30/2020 16:05 (9)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.