Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution

2018-11-06 00:00

Anonymous

Strategic Overview

Status

Patched in 9.2.0

Affected PluginYoast SEO – Advanced SEO with real-time guidance and built-in AI

Affected Version<= 9.1.0

CVSS6.6Medium

CVECVE-2018-19370

View all Yoast SEO – Advanced SEO with real-time guidance and built-in AI vulnerabilities

Vulnerability Overview

A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in the Yoast SEO (wordpress-seo) plugin before 9.2.0 for WordPress allows an SEO Manager to perform command execution on the Operating System via a ZIP import.

Technical Analysis

REMEDIATION: Update to version 9.2.0, or a newer patched version --- IDENTIFIER: CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')) The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

External References

https://www.cve.org/CVERecord?id=CVE-2018-19370 https://www.wordfence.com/threat-intel/vulnerabilities/id/e8b62157-8c32-462f-aba7-dab137f98f32

CVSS Vector

6.6

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

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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