VDB-123985 · CVE-2018-7906 · sa-20180905-01

Huawei Smart Phone 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.
6.0	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Huawei Smart Phone Leland-AL00 8.0.0.114(C636)/Leland-AL00A 8.0.0.171(C00). This issue affects some unknown processing. This manipulation as part of Application causes input validation. This vulnerability is registered as CVE-2018-7906. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Huawei Smart Phone Leland-AL00 8.0.0.114(C636)/Leland-AL00A 8.0.0.171(C00) (Smartphone Operating System). Affected by this vulnerability is an unknown functionality. The manipulation as part of a Application leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

Some Huawei smart phones with software of Leland-AL00 8.0.0.114(C636), Leland-AL00A 8.0.0.171(C00) have a denial of service (DoS) vulnerability. An attacker can trick a user to install a malicious application to exploit this vulnerability. Due to insufficient verification of the parameter, successful exploitation can cause the smartphone black screen until restarting the phone.

The bug was discovered 09/05/2018. The weakness was published 09/12/2018 (Website). The advisory is shared at huawei.com. This vulnerability is known as CVE-2018-7906 since 03/08/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/16/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-123988 and VDB-123987. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Huawei

Name

Smart Phone

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/08/2018 🔍
09/05/2018 +180 days 🔍
09/12/2018 +6 days 🔍
09/12/2018 +0 days 🔍
09/13/2018 +1 days 🔍
05/16/2023 +1706 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180905-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7906 (🔍)
GCVE (CVE): GCVE-0-2018-7906
GCVE (VulDB): GCVE-100-123985
See also: 🔍

Entryinfo

Created: 09/13/2018 08:37
Updated: 05/16/2023 09:20
Changes: 09/13/2018 08:37 (59), 03/23/2020 13:26 (2), 05/16/2023 09:20 (3)
Complete: 🔍
Cache ID: 216::103

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