CVE-2015-6922 Information

Description

Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33 8.x before 8.0.0.23 9.0 before 9.0.0.19 and 9.1 before 9.1.0.9 does not properly require authentication which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html http://www.zerodayinitiative.com/advisories/ZDI-15-448 http://www.zerodayinitiative.com/advisories/ZDI-15-449 https://helpdesk.kaseya.com/entries/96164487–Kaseya-Security-Advisory https://www.exploit-db.com/exploits/38351/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8