Asus RT-AC/RT-N up to 3.0.0.4 JSONP Config 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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Asus RT-AC and RT-N up to 3.0.0.4. The affected element is an unknown function of the component JSONP Handler. The manipulation results in information disclosure (Config). This vulnerability is reported as CVE-2017-8877. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Asus RT-AC and RT-N up to 3.0.0.4. Affected is an unknown function of the component JSONP Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Config). 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:

ASUS RT-AC* and RT-N* devices with firmware through 3.0.0.4.380.7378 allow JSONP Information Disclosure such as the SSID.

The bug was discovered 05/09/2017. The weakness was disclosed 05/10/2017 (Website). The advisory is shared for download at wwws.nightwatchcybersecurity.com. This vulnerability is traded as CVE-2017-8877 since 05/10/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation requires a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.0.0.4.380.7378 eliminates this vulnerability.

The entry VDB-101053 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Config
Class: Information disclosure / Config
CWE: CWE-200 / CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RT-AC/RT-N 3.0.0.4.380.7378

Timelineinfo

05/09/2017 🔍
05/10/2017 +1 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
09/25/2020 +1234 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: wwws.nightwatchcybersecurity.com
Status: Not defined

CVE: CVE-2017-8877 (🔍)
GCVE (CVE): GCVE-0-2017-8877
GCVE (VulDB): GCVE-100-101052
OSVDB: - CVE-2017-8877 - Asus - Rt-Ac1750 Firmware - Medium

See also: 🔍

Entryinfo

Created: 05/10/2017 17:39
Updated: 09/25/2020 10:07
Changes: 05/10/2017 17:39 (60), 09/25/2020 10:07 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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