Yamaha RT57i/RT58i/NVR500/RTX810 Configuration Page injection

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Yamaha RT57i, RT58i, NVR500 and RTX810. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component Configuration Page. This manipulation causes injection. This vulnerability is handled as CVE-2018-0666. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Yamaha RT57i, RT58i, NVR500 and RTX810 (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function of the component Configuration Page. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect integrity. The summary by CVE is:

Yamaha routers RT57i Rev.8.00.95 and earlier, RT58i Rev.9.01.51 and earlier, NVR500 Rev.11.00.36 and earlier, RTX810 Rev.11.01.31 and earlier, allow an administrative user to embed arbitrary scripts to the configuration data through a certain form field of the configuration page, which may be executed on another administrative user's web browser. This is a different vulnerability from CVE-2018-0665.

The bug was discovered 08/29/2018. The weakness was released 01/09/2019 (Website). The advisory is shared at jvn.jp. This vulnerability is known as CVE-2018-0666 since 11/27/2017. The attack can be launched remotely. The successful exploitation requires a single authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 133 days. During that time the estimated underground price was around $0-$5k.

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

Entry connected to this vulnerability is available at VDB-128820. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
08/29/2018 +275 days 🔍
01/09/2019 +133 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
04/27/2020 +473 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2018-0666 (🔍)
GCVE (CVE): GCVE-0-2018-0666
GCVE (VulDB): GCVE-100-128821
See also: 🔍

Entryinfo

Created: 01/10/2019 10:13
Updated: 04/27/2020 09:18
Changes: 01/10/2019 10:13 (56), 04/27/2020 09:18 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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