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CVE-2018-1789: IBM API Connect: Server-Side Request Forgery

CVE-2018-1789 is rated critical with a CVSS v3.0 base score of 9.9 and affects IBM API Connect. Per its scoring, it can be exploited over the network, without any user interaction.

Vulnerability description

IBM API Connect v2018.1.0 through v2018.3.4 could allow an attacker to send a specially crafted request to conduct a server side request forgery attack. IBM X-Force ID: 148939.

Severity breakdown

CVSS v3.0 9.9: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

  • 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: Low. A basic user account is enough.
  • User interaction: None. No action from any user is needed.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • 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: Low. Reduced performance or intermittent interruption.

Underlying weakness

CWE-918: Server-Side Request Forgery

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Affected products

  • IBM API Connect: from 2018.1.0 up to and including 2018.3.4

References