CVE-2019-17495 Information

Description

A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration such as exfiltration of a CSRF token value. In other words this product intentionally allows the embedding of untrusted JSON data from remote servers but it was not previously known that style@import within the JSON data was a functional attack method.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/swagger-api/swagger-ui/releases/tag/v3.23.11 https://github.com/tarantula-team/CSS-injection-in-Swagger-UI https://www.oracle.com/security-alerts/cpuoct2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8