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critical vulnerabilities

Security Advisory

Critical Flaw in WordPress Hunk Companion Plugin Enables Unauthorized Plugin Installation

Summary

OEM

WordPress

Severity

Critical

Date of Announcement

2024-12-13

CVSS score

9.8

CVE

CVE-2024-11972

Exploited in Wild

Yes

Patch/Remediation Available

Yes 

Advisory Version

1.0

Overview

A Critical flaw in the WordPress Hunk Companion plugin has been actively exploited to enable unauthorized installation and activation of plugins. This vulnerability stems from insufficient authorization checks on a REST API endpoint. Exploited sites may see attackers silently install malicious or outdated plugins, leading to severe security risks, including remote code execution (RCE), unauthorized access, and website compromise.

Vulnerability Name

CVE ID

Product Affected

Severity

CVSS Score

Hunk Companion Plugin Vulnerability

CVE-2024-11972

Hunk Companion Plugin for WordPress

Critical

9.8

Technical Summary

CVE ID

System Affected

Vulnerability Details

Impact

CVE-2024-11972

Hunk Companion plugin versions  prior to 1.8.4

This vulnerability is caused by improper validation mechanisms in the file hunk-companion/import/app/app.php, a script responsible for handling plugin import and installation processes. At its core, the bug permits unauthenticated requests to bypass critical permission checks intended to ensure that only authorized users can install plugins.

This vulnerability potentially leads to remote code execution, unauthorized access, and full website compromise.

Remediations

  • “Hunk Companion” WordPress plugin, should update to version 9.0 or later.

General Recommendations

  • Regularly inspect your WordPress site for unknown plugins or modifications.
  • Reducing the risk of delayed patching can be achieved by enabling automatic updates for all plugins
  • Review server and WordPress logs for unauthorized login attempts to detect possible compromise.
  • Keep all plugins, themes, and WordPress core updated. Use strong, unique passwords and enable two-factor authentication for admin accounts.

References

Security Advisory

Zero-Day Vulnerability in Windows Exposes NTLM Credentials

Summary

OEM

Microsoft

Severity

Critical

Date of Announcement

2024-12-12

CVE

Not yet assigned

Exploited in Wild

No

Patch/Remediation Available

Yes (No official patch)

Advisory Version

1.0

Vulnerability Name

NTLM Zero-Day

Overview

A recently discovered zero-day vulnerability in Windows, enables attackers to steal user credentials through a malicious file viewed in File Explorer. This “clickless” exploit bypasses the need for user interaction, creating significant security risks. While Microsoft investigates, 0patch has released an unofficial micropatch to mitigate the threat. Users are advised to apply the patch or implement mitigations to reduce exposure.

Vulnerability Name

CVE ID

Product Affected

Severity

NTLM zero-day

Not Yet Assigned

Microsoft Windows

Critical

Technical Summary

CVE ID

System Affected

Vulnerability Details

Impact

Not Yet Assigned

Windows 7 to 11 (24H2), Server 2008 R2 to 2022

A zero-day vulnerability that allows NTLM credential theft by viewing a malicious file in File Explorer. The flaw forces an outbound NTLM connection, leaking NTLM hashes. Exploitation requires no user interaction beyond viewing a malicious file, which can be delivered through shared folders, USB drives, or malicious downloads in the browser's default folder.

Enables attackers to steal NTLM credentials and  gain unauthorized access of the affected systems.

Remediations

  • Apply the 0patch Micropatch:
    • Register for a free account at 0patch Central.
    • Install the 0patch agent to automatically receive the micropatch.
  • Disable NTLM Authentication:
    • Navigate to Security Settings > Local Policies > Security Options in Group Policy.
    • Configure “Network security: Restrict NTLM” policies to limit NTLM usage. 

General Recommendations

  • Only enable patches or configurations after testing them on non-critical devices to ensure minimal impact.
  • Stay updated on Microsoft’s response and the availability of an official patch through trusted news sources or Microsoft’s advisories.
  • Inform users about the risks of handling unfamiliar files and downloading content from untrusted sources.
  • Monitor systems for suspicious NTLM-related activity.

References