Easy Digital Downloads – Simple eCommerce for Selling Digital Files <= 3.3.3 - Authenticated (Admin+) PHAR Deserialization

2024-09-23 00:00

Rasoul Jahanshahi

Strategic Overview

Status

Patched in 3.3.4

Affected PluginEasy Digital Downloads – eCommerce Payments and Subscriptions made easy

Affected Version<= 3.3.3

CVSS7.2High

CVECVE-2022-2439

View all Easy Digital Downloads – eCommerce Payments and Subscriptions made easy vulnerabilities

Vulnerability Overview

The Easy Digital Downloads – Simple eCommerce for Selling Digital Files plugin for WordPress is vulnerable to deserialization of untrusted input via the 'upload[file]' parameter in versions up to, and including 3.3.3. This makes it possible for authenticated administrative users to call files using a PHAR wrapper, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present.

Technical Analysis

REMEDIATION: Update to version 3.3.4, or a newer patched version --- IDENTIFIER: CWE-502 (Deserialization of Untrusted Data) The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

External References

https://www.cve.org/CVERecord?id=CVE-2022-2439 https://www.wordfence.com/threat-intel/vulnerabilities/id/644c8702-08ad-4048-ae91-041f1771f1dc

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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