ChangXiang 8 Plus prior 9.1.0.136(C00E121R1P6T8) Base Station Message input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ChangXiang 8 Plus. Affected is an unknown function of the component Base Station Handler. Executing a manipulation as part of Message can lead to input validation. The identification of this vulnerability is CVE-2020-1837. The attack needs to be done within the local network. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in ChangXiang 8 Plus and classified as problematic. This vulnerability affects some unknown functionality of the component Base Station Handler. The manipulation as part of a Message 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. CVE summarizes:

ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.

The weakness was shared 07/06/2020 (Website). The advisory is shared for download at huawei.com. This vulnerability was named CVE-2020-1837 since 11/29/2019. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 9.1.0.136(C00E121R1P6T8) eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 8 Plus 9.1.0.136(C00E121R1P6T8)

Timelineinfo

11/29/2019 🔍
07/06/2020 +220 days 🔍
07/07/2020 +1 days 🔍
07/07/2020 +0 days 🔍

Sourcesinfo

Advisory: huawei.com
Status: Not defined

CVE: CVE-2020-1837 (🔍)
GCVE (CVE): GCVE-0-2020-1837
GCVE (VulDB): GCVE-100-157684

Entryinfo

Created: 07/07/2020 09:43
Updated: 07/07/2020 09:48
Changes: 07/07/2020 09:43 (39), 07/07/2020 09:48 (17)
Complete: 🔍
Cache ID: 216::103

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