CVE-2022-2439: easy digital Insecure Deserialization

Description

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.

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CVSS v3.1 Score

7.2

HIGH

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

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
awesomemotive	easy_digital_downloads	< 3.3.4

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3154854/easy-digital-downloads/tags/3.3.4/includes/admin/import/import-functions.php https://plugins.trac.wordpress.org/changeset/3154854/easy-digital-downloads/tags/3.3.4/src/Utils/FileSystem.php

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/644c8702-08ad-4048-ae91-041f1771f1dc?source=cve

Frequently Asked Questions

What is CVE-2022-2439? +

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. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2022-2439? +

CVE-2022-2439 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-2439? +

CVE-2022-2439 affects products from awesomemotive, specifically: easy_digital_downloads. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-2439? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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