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CVE-2018-16272: The wpa_supplicant system service in Samsung Galaxy Gear series allows an unprivileged process to fully…

CVE-2018-16272 is rated critical with a CVSS v3.1 base score of 9.8 and NVD lists 10 affected products, including Samsung Galaxy Gear 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

The wpa_supplicant system service in Samsung Galaxy Gear series allows an unprivileged process to fully control the Wi-Fi interface, due to the lack of its D-Bus security policy configurations. This affects Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.

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-269: Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected products

  • Samsung Galaxy Gear Firmware: before re2
  • Samsung Gear 2 Firmware: before re2
  • Samsung Gear Live Firmware: before re2
  • Samsung Gear S Firmware: before re2
  • Samsung Gear S2 Firmware: before re2
  • Samsung Gear S3 Firmware: before re2
  • Samsung Gear Sport Firmware: before re2
  • Samsung Gear Fit Firmware: before re2
  • Samsung Gear Fit 2 Firmware: before re2
  • Samsung Gear Fit 2 Pro Firmware: before re2

References