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CVE-2017-20236: Prosoft Technology Icx35 Hwc Firmware: Command injection

CVE-2017-20236 is rated critical with a CVSS v3.1 base score of 9.8 and NVD lists Prosoft Technology Icx35 Hwc Firmware as the affected product. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

ProSoft Technology ICX35-HWC versions 1.3 and prior cellular gateways contain an input validation vulnerability in the web user interface that allows remote attackers to inject and execute system commands by submitting malicious input through unvalidated fields. Attackers can exploit this vulnerability to gain root privileges and execute arbitrary commands on the device through the accessible web interface.

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-78: Improper Neutralization of Special Elements used in an OS Command

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 before it is sent to a downstream component.

Affected products

  • Prosoft Technology Icx35 Hwc Firmware: before 1.3

References