CVE Vulnerability

CVE-2021-22964

A redirect vulnerability in the `fastify-static` module version >= 4.2.4 and < 4.4.1 allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash `//` followed by a domain: `http://localhost:3000//a//youtube.com/%2e%2e%2f%2e%2e`.A DOS vulnerability is possible if the URL contains invalid characters `curl --path-as-is "http://localhost:3000//^/.."`The issue shows up on all the `fastify-static` applications that set `redirect: true` option. By default, it is `false`.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.3

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://hackerone.com/reports/1361804 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:fastify:fastify-static:*:*:*:*:*:*:*:*
Information

Published : 2021-10-14 03:15

Updated : 2021-10-20 06:02

NVD link : CVE-2021-22964

Mitre link : CVE-2021-22964

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')