article2pdf: Sensitive information exposure

article2pdf is affected by sensitive information exposure. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can disclose data that should not be available to the caller.

CVE / CNA score 9.1 CVSS · josh@bress.net

NVD score 9.1 CVSS 3.1 · nvd@nist.gov

Component: article2pdf
Plugin slug: article2pdf
Affected: See vendor advisory
Safe version: See mitigation notes
Published: Mar 27, 2019
Weakness: CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Mar 27, 2019 and is one of 2 known issues for this plugin.

What to do

Update, patch or deactivate.

Update article2pdf to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

An Information Disclosure / Data Modification issue exists in article2pdf_getfile.php in the article2pdf Wordpress plugin 0.24, 0.25, 0.26, 0.27. A URL can be constructed which allows overriding the PDF file's path leading to any PDF whose path is known and which is readable to the web server can be downloaded. The file will be deleted after download if the web server has permission to do so. For PHP versions before 5.3, any file can be read by null terminating the string left of the file extension.

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

References

Update, patch or deactivate.

Technical description

Primary and upstream sources