SB2019052706 - Path traversal in Simple File List plugin for WordPress

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: N/A)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences passed via the "eeDeleteFile[]" HTTP POST parameter. A remote authenticated attacker can send a specially crafted HTTP request and delete arbitrary files on the system.

2) Path traversal (CVE-ID: N/A)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences passed via the "eeSFL_File" HTTP GET parameter to "/wp-content/plugins/simple-file-list/includes/ee-download.php". A remote unauthenticated attacker can send a specially crafted HTTP request and download arbitrary files from the system.

Remediation

Install update from vendor's website.

References

• https://docs.google.com/document/d/11KLjuMaHLjPBf2R-Af1R01JNebD5mLRDBnCadmNmC_M/edit
• https://plugins.trac.wordpress.org/changeset/2093272/simple-file-list
• https://docs.google.com/document/d/1qIZXTzEpI4tO6832vk1KfsSAroT0FY2l--THlhJ8z3c/edit