VDB-106747 · CVE-2017-14243 · EDB-ID 42739

UStar WA3002G4 WA3002G4-0021.01 info.cgi credentials management

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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in UStar WA3002G4 WA3002G4-0021.01. This vulnerability affects unknown code of the file info.cgi. This manipulation causes credentials management. This vulnerability is tracked as CVE-2017-14243. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in UStar WA3002G4 WA3002G4-0021.01. It has been declared as critical. Affected by this vulnerability is an unknown code of the file info.cgi. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An authentication bypass vulnerability on UTStar WA3002G4 ADSL Broadband Modem WA3002G4-0021.01 devices allows attackers to directly access administrative settings and obtain cleartext credentials from HTML source, as demonstrated by info.cgi, upload.cgi, backupsettings.cgi, pppoe.cgi, resetrouter.cgi, and password.cgi.

The bug was discovered 09/15/2017. The weakness was disclosed 09/17/2017 as EDB-ID 42739 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2017-14243 since 09/10/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42739). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

UStar

Name

WA3002G4

Version

WA3002G4-0021.01

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

09/10/2017 🔍
09/15/2017 +5 days 🔍
09/17/2017 +2 days 🔍
09/17/2017 +0 days 🔍
09/17/2017 +0 days 🔍
09/17/2017 +0 days 🔍
09/18/2017 +1 days 🔍
06/15/2024 +2462 days 🔍