SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

BID:103475

CVE-2018-4844 |

Info

SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

Bugtraq ID: 103475
Class: Access Validation Error
CVE: CVE-2018-4844
Remote: Yes
Local: No
Published: Mar 20 2018 12:00AM
Updated: Mar 20 2018 12:00AM
Credit: Alexander Bolshev from IOActive and Ivan Yushkevich from Embedi
Vulnerable: Siemens SIMATIC WinCC OA UI 0
Not Vulnerable: Siemens SIMATIC WinCC OA UI 3.15.10

Discussion

SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

SIMATIC WinCC OA UI is prone to an access-bypass vulnerability.

An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching further attacks.

Versions prior to SIMATIC WinCC OA UI 3.15.10 are vulnerable.

Exploit / POC

SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

SIMATIC WinCC OA UI CVE-2018-4844 Access Bypass Vulnerability

References:

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