Quantum Secular Labs / Blog / Advisories

CVE-2017-6044: Sierra Wireless Airlink Raven Xe Firmware: Arbitrary file upload

CVE-2017-6044 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Sierra Wireless Airlink Raven Xe Firmware. 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

An Improper Authorization issue was discovered in Sierra Wireless AirLink Raven XE, all versions prior to 4.0.14, and AirLink Raven XT, all versions prior to 4.0.11. Several files and directories can be accessed without authentication, which may allow a remote attacker to perform sensitive functions including arbitrary file upload, file download, and device reboot.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/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-285: Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

CWE-306: Missing Authentication for Critical Functionality

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Affected products

  • Sierra Wireless Airlink Raven Xe Firmware: up to and including -
  • Sierra Wireless Airlink Raven Xt Firmware: all versions listed by NVD

References