WordPress security changelog
HIGH CVE-2017-11658 Deferred

Wp Rocket: Filesystem traversal

Wp Rocket is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.

CVE / CNA score 7.5 CVSS · cve@mitre.org
NVD score 7.5 CVSS 3.0 · nvd@nist.gov
Component
Wp Rocket
Plugin slug
wp-rocket
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 26, 2017
Weakness
CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Jul 26, 2017 and is one of 2 known issues for this plugin.

Update, patch or deactivate.

Update Wp Rocket 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.

Technical description

In the WP Rocket plugin 2.9.3 for WordPress, the Local File Inclusion mitigation technique is to trim traversal characters (..) -- however, this is insufficient to stop remote attacks and can be bypassed by using 0x00 bytes, as demonstrated by a .%00.../.%00.../ attack.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary and upstream sources