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CVE-2018-1237: Dell Emc Scaleio: Improper Authentication

CVE-2018-1237 is rated critical with a CVSS v3.0 base score of 9.8 and affects Dell Emc Scaleio. 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

Dell EMC ScaleIO versions prior to 2.5, contain improper restriction of excessive authentication attempts on the Light installation Agent (LIA). This component is deployed on every server in the ScaleIO cluster and is used for central management of ScaleIO nodes. A remote malicious user, having network access to LIA, could potentially exploit this vulnerability to launch brute force guessing of user names and passwords of user accounts on the LIA.

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-287: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected products

  • Dell Emc Scaleio: before 2.5

References