Huawei HiRouter-CD20-10 up to 1.9.5 Plugin-In Signature access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Huawei HiRouter-CD20-10 up to 1.9.5. Impacted is an unknown function of the component Plugin-In Signature Handler. Such manipulation leads to access control. This vulnerability is referenced as CVE-2018-7937. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Huawei HiRouter-CD20-10 up to 1.9.5 (Router Operating System). Affected by this issue is an unknown code block of the component Plugin-In Signature Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Huawei HiRouter-CD20-10 with the versions before 1.9.6 and WS5200-10 with the versions before 1.9.6, there is a plug-in signature bypass vulnerability due to insufficient plug-in verification. An attacker may tamper with a legitimate plug-in to build a malicious plug-in and trick users into installing it. Successful exploit could allow the attacker to obtain the root permission of the device and take full control over the device.

The bug was discovered 07/27/2018. The weakness was published 09/04/2018 (Website). The advisory is available at huawei.com. This vulnerability is handled as CVE-2018-7937 since 03/08/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 1.9.6 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

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: HiRouter-CD20-10 1.9.6

Timelineinfo

03/08/2018 🔍
07/27/2018 +140 days 🔍
09/04/2018 +38 days 🔍
09/04/2018 +0 days 🔍
09/05/2018 +1 days 🔍
05/07/2023 +1705 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20180827-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7937 (🔍)
GCVE (CVE): GCVE-0-2018-7937
GCVE (VulDB): GCVE-100-123590

Entryinfo

Created: 09/05/2018 07:02
Updated: 05/07/2023 08:51
Changes: 09/05/2018 07:02 (60), 03/20/2020 16:17 (2), 05/07/2023 08:51 (4)
Complete: 🔍
Cache ID: 216::103

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