Vulnerability CVE-2018-19977


Published: 2019-05-29

Description:
A command injection (missing input validation, escaping) in the ftp upgrade configuration interface on the Auerswald COMfort 1200 IP phone 3.4.4.1-10589 allows an authenticated remote attacker (simple user) -- in the same network as the device -- to trigger OS commands (like starting telnetd or opening a reverse shell) via a POST request to the web server.

Type:

CWE-77

(Improper Neutralization of Special Elements used in a Command ('Command Injection'))

CVSS2 => (AV:A/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.7/10
10/10
5.1/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Auerswald -> Comfortel 1200 ip firmware 

 References:
https://www.auerswald.de/de/service/81-telefone/schnurgebundene-telefone/1568-comfortel-1200-ip.html
https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_Auerswald_COMfortel_1200_IP.pdf?_=1549376183

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