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CVE-2017-20160: Flitto Express Param: Improper Handling of Extra Parameters

CVE-2017-20160 is rated critical with a CVSS v3.1 base score of 9.8 and affects Flitto Express Param. 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

A vulnerability was found in flitto express-param up to 0.x. It has been classified as critical. This affects an unknown part of the file lib/fetchParams.js. The manipulation leads to improper handling of extra parameters. It is possible to initiate the attack remotely. Upgrading to version 1.0.0 is able to address this issue. The identifier of the patch is db94f7391ad0a16dcfcba8b9be1af385b25c42db. It is recommended to upgrade the affected component. The identifier VDB-217149 was assigned to this vulnerability.

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-235: Improper Handling of Extra Parameters

The product does not handle or incorrectly handles when the number of parameters, fields, or arguments with the same name exceeds the expected amount.

Affected products

  • Flitto Express Param: before 1.0.0

References