Link-Net LW-N605R 12.20.2.1486 Ping adm/systools.asp HOST input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Link-Net LW-N605R 12.20.2.1486. Affected by this issue is an unknown code of the file adm/systools.asp of the component Ping. The manipulation of the argument HOST as part of a Shell Metacharacter leads to a input validation vulnerability. 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:

LINK-NET LW-N605R devices with firmware 12.20.2.1486 allow Remote Code Execution via shell metacharacters in the HOST field of the ping feature at adm/systools.asp. Authentication is needed but the default password of admin for the admin account may be used in some cases.

The bug was discovered 09/10/2018. The weakness was published 09/20/2018 as EDB-ID 45351 as not defined exploit (Exploit-DB). The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2018-16752 since 09/09/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. Technical details as well as a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is available 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 10 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:adm/systools.asp it is possible to find vulnerable targets with Google Hacking.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (45351).

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/09/2018 🔍
09/10/2018 +1 days 🔍
09/20/2018 +9 days 🔍
09/20/2018 +0 days 🔍
09/20/2018 +0 days 🔍
09/20/2018 +0 days 🔍
09/21/2018 +1 days 🔍
03/25/2020 +551 days 🔍

Sourcesinfo

Advisory: EDB-ID 45351
Status: Not defined

CVE: CVE-2018-16752 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/21/2018 08:19
Updated: 03/25/2020 16:17
Changes: 09/21/2018 08:19 (67), 03/25/2020 16:17 (1)
Complete: 🔍

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