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CVE-2018-4298: In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El…

CVE-2018-4298 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 4 affected products, including Apple Tv. 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

In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan, a permissions issue existed in Remote Management. This issue was addressed through improved permission validation.

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.

Affected products

  • Apple Tv: before 11.2.5
  • Apple Iphone OS: before 11.2.5
  • Apple Mac OS X: from 10.13.0 before 10.13.3
  • Apple Watchos: before 4.2.2

References