CVE-2019-7256 : Linear eMerge E3-Series devices allow Command Injections.

Products affected by CVE-2019-7256

Nortekcontrol » Linear Emerge Essential Firmware
Versions up to, including, (<=) 1.00-06
cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Nortekcontrol » Linear Emerge Essential » Version: N/A
Nortekcontrol » Linear Emerge Elite Firmware
Versions up to, including, (<=) 1.00-06
cpe:2.3:o:nortekcontrol:linear_emerge_elite_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Nortekcontrol » Linear Emerge Elite » Version: N/A

CVE-2019-7256 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Nice Linear eMerge E3-Series OS Command Injection Vulnerability

CISA required action:

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

CISA description:

Nice Linear eMerge E3-Series contains an OS command injection vulnerability that allows an attacker to conduct remote code execution.

Notes:

https://linear-solutions.com/wp-content/uploads/E3-Bulletin-06-27-2023.pdf, https://www.cisa.gov/news-events/ics-advisories/icsa-24-065-01; https://nvd.nist.gov/vuln/detail/CVE-2019-7256

Added on 2024-03-25 Action due date 2024-04-15

Exploit prediction scoring system (EPSS) score for CVE-2019-7256

EPSS FAQ

94.41%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 100 %

Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2019-7256

Linear eMerge E3-Series Access Controller Command Injection

Disclosure Date: 2019-10-29

First seen: 2023-09-11

exploit/linux/http/linear_emerge_unauth_rce_cve_2019_7256

This module exploits a command injection vulnerability in the Linear eMerge E3-Series Access Controller. The Linear eMerge E3 versions `1.00-06` and below are vulnerable to unauthenticated command injection in card_scan_decoder.php via the `No` and `door` HTTP GET par

More information

CVSS scores for CVE-2019-7256

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0	2024-07-03
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
10.0	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	3.9	6.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST	2024-08-13
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-7256

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2019-7256

http://packetstormsecurity.com/files/155255/Linear-eMerge-E3-1.00-06-card_scan.php-Command-Injection.html

Linear eMerge E3 1.00-06 card_scan.php Command Injection ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
http://packetstormsecurity.com/files/170372/Linear-eMerge-E3-Series-Access-Controller-Command-Injection.html

Exploit;Third Party Advisory;VDB Entry
https://applied-risk.com/labs/advisories

Resources - Applied Risk
Not Applicable

CVEs referencing this url
http://packetstormsecurity.com/files/155272/Linear-eMerge-E3-Access-Controller-Command-Injection.html

Linear eMerge E3 Access Controller Command Injection ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
https://www.applied-risk.com/resources/ar-2019-005

Nortek Linear eMerge E3-Series Multiple Vulnerabilities Nortek Linear eMerge E3-Series Multiple Vulnerabilities - Applied Risk
Third Party Advisory

CVEs referencing this url
http://packetstormsecurity.com/files/155256/Linear-eMerge-E3-1.00-06-card_scan_decoder.php-Command-Injection.html

Linear eMerge E3 1.00-06 card_scan_decoder.php Command Injection ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry

Vulnerability Details : CVE-2019-7256