Backup Guard <= 1.5.9 - Authenticated Arbitrary File Upload

2021-02-18 00:00

Nguyen Van Khanh

Strategic Overview

Status

Patched in 1.6.0

Affected PluginJetBackup – Backup, Restore & Migrate

Affected Version<= 1.5.9

CVSS7.2High

CVECVE-2021-24155

View all JetBackup – Backup, Restore & Migrate vulnerabilities

Vulnerability Overview

The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.

Technical Analysis

REMEDIATION: Update to version 1.6.0, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24155 https://www.wordfence.com/threat-intel/vulnerabilities/id/01e8e53c-8d23-4bd3-9291-29f97df7c984

CVSS Vector

7.2

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

Base

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

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