Nortek Linear eMerge E3 command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

A vulnerability was found in Nortek Linear eMerge E3 (Automation Software) (affected version unknown). It has been rated as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Linear eMerge E3-Series devices allow Command Injections.

The weakness was disclosed 07/02/2019. This vulnerability is handled as CVE-2019-7256 since 01/31/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

A public exploit has been developed by Gjoko Krstic (LiquidWorm) in Python and been published 5 months after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. This issue was added on 03/25/2024 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 04/15/2024:

Contact the vendor for guidance on remediating firmware, per their advisory.

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 (47649). The entries 137226, 137225, 137224 and 137223 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Gjoko Krstic (LiquidWorm)
Programming Language: 🔍
Download: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

01/31/2019 🔍
07/02/2019 +152 days 🔍
07/03/2019 +1 days 🔍
11/13/2019 +133 days 🔍
10/15/2023 +1432 days 🔍

Sourcesinfo

Advisory: 155255
Status: Not defined

CVE: CVE-2019-7256 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/03/2019 13:09
Updated: 10/15/2023 16:20
Changes: 07/03/2019 13:09 (34), 11/16/2019 17:55 (1), 11/16/2019 17:56 (25), 10/15/2023 16:20 (8)
Complete: 🔍
Committer: misc

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