Asus Asuswrt-Merlin AsusWRT-Merlin error_page.htm new_lan_ip information disclosure

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 (≈)
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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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Asus Asuswrt-Merlin. The impacted element is an unknown function of the file error_page.htm of the component AsusWRT-Merlin. The manipulation of the argument new_lan_ip results in information disclosure. This vulnerability is identified as CVE-2018-8877. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Asus Asuswrt-Merlin (version unknown). Affected is an unknown function of the file error_page.htm of the component AsusWRT-Merlin. The manipulation of the argument new_lan_ip with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Information disclosure in Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 for devices allows remote attackers to acquire information on internal network IP address ranges by reading the new_lan_ip variable on the error_page.htm page.

The weakness was released 02/27/2020. This vulnerability is traded as CVE-2018-8877 since 03/20/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

By approaching the search of inurl:error_page.htm it is possible to find vulnerable targets with Google Hacking.

Upgrading eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-150697. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: 🔍

Timelineinfo

03/20/2018 🔍
02/27/2020 +709 days 🔍
02/28/2020 +1 days 🔍
04/07/2024 +1500 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: github.com
Status: Not defined

CVE: CVE-2018-8877 (🔍)
GCVE (CVE): GCVE-0-2018-8877
GCVE (VulDB): GCVE-100-150696
See also: 🔍

Entryinfo

Created: 02/28/2020 15:14
Updated: 04/07/2024 10:11
Changes: 02/28/2020 15:14 (38), 02/28/2020 15:19 (17), 04/07/2024 10:11 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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