Vulnerability identifier: #VU27554
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-427
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
jSerialComm
Web applications /
JS libraries
EcoStruxure IT Gateway
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor:
Fazecast
Schneider Electric
Description
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can place a specially crafted .dll file into a temporary directory on the system and execute arbitrary code with SYSTEM privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
jSerialComm: 2.0.2 - 2.2.2
EcoStruxure IT Gateway: All versions
External links
http://ics-cert.us-cert.gov/advisories/ICSA2012601
http://www.zerodayinitiative.com/advisories/ZDI-20-588/
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.