Advisory Details

September 5th, 2024

Malwarebytes Antimalware Link Following Local Privilege Escalation Vulnerability

ZDI-24-1195
ZDI-CAN-22321

CVE ID CVE-2024-6260
CVSS SCORE 7.0, AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Malwarebytes
AFFECTED PRODUCTS Anti-Malware
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Malwarebytes Antimalware. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Malwarebytes service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Malwarebytes has issued an update to correct this vulnerability. More details can be found at:
https://www.malwarebytes.com/secure/cves
DISCLOSURE TIMELINE
  • 2024-06-04 - Vulnerability reported to vendor
  • 2024-09-05 - Coordinated public release of advisory
  • 2024-09-05 - Advisory Updated
CREDIT Anonymous
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