#VU15702 Insecure DLL loading in Software Update


Published: 2018-11-01 | Updated: 2018-11-02

Vulnerability identifier: #VU15702

Vulnerability risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7799

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Software Update
Client/Desktop applications / Other client software

Vendor: Schneider Electric

Description

The vulnerability allows a local attacker to gain elevated privileges.

The vulnerability exists due to insecure .dll loading mechanism when opening files. A local attacker can place a file along with specially crafted .dll file on a remote SBM or WebDAV share, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current victim.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Update to version 2.2.0.

Vulnerable software versions

Software Update: All versions


External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-305-02


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability