RSFirewall! <= 1.1.24 - IP Address Spoofing

2022-04-13 00:00

Daniel Ruf

Strategic Overview

Status

Patched in 1.1.25

Affected PluginRSFirewall!

Affected Version<= 1.1.24

CVSS6.5Medium

CVECVE-2021-4226

View all RSFirewall! vulnerabilities

Vulnerability Overview

The RSFirewall! plugin for WordPress is vulnerable to IP Address Spoofing in versions less than and equal to 1.1.24 due to insufficient IP address validation. This makes it possible for attackers to bypass blocks and access services they should not be able to.

Technical Analysis

REMEDIATION: Update to version 1.1.25, or a newer patched version --- IDENTIFIER: CWE-348 (Use of Less Trusted Source) The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

External References

https://www.cve.org/CVERecord?id=CVE-2021-4226 https://www.wordfence.com/threat-intel/vulnerabilities/id/64f43aee-01ee-4fbb-a174-966ed3c06b21

CVSS Vector

6.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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