SB2016090705 - Directory traversal in upgrade package uploader in WordPress WordPress



SB2016090705 - Directory traversal in upgrade package uploader in WordPress WordPress

Published: September 7, 2016

Security Bulletin ID SB2016090705
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Directory traversal in upgrade package uploader (CVE-ID: CVE-2016-7169)

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:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient sanitization of input data within the upgrade package uploader. A remote authenticated user can use directory traversal sequences to write files outside the webroot directory.

Successful exploitation of this vulnerability may lead to website compromise.


Remediation

Install update from vendor's website.