Technicolor TC7230 STEB 01.25 Web Interface DNS Rebinding input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

A vulnerability was found in Technicolor TC7230 STEB 01.25 and classified as critical. Affected by this issue is some unknown processing of the component Web Interface. The manipulation with an unknown input leads to a input validation vulnerability (DNS Rebinding). 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 confidentiality, integrity, and availability. CVE summarizes:

The web interface on the Technicolor TC7230 STEB 01.25 is vulnerable to DNS rebinding, which allows a remote attacker to configure the cable modem via JavaScript in a victim's browser. The attacker can then configure the cable modem to port forward the modem's internal TELNET server, allowing external access to a root shell.

The weakness was released 01/08/2020. This vulnerability is handled as CVE-2019-19495 since 12/02/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

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

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

Name: DNS Rebinding
Class: Input validation / DNS Rebinding
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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

12/02/2019 🔍
01/08/2020 +37 days 🔍
01/09/2020 +1 days 🔍
01/09/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-19495 (🔍)

Entryinfo

Created: 01/09/2020 06:59
Updated: 01/09/2020 07:04
Changes: 01/09/2020 06:59 (36), 01/09/2020 07:04 (17)
Complete: 🔍

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