Remote code execution in SpiderControl SCADA MicroBrowser

1) Stack-based buffer overflow

EUVDB-ID: #VU7999

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12707

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to stack-based buffer overflow when handling malicious content. A remote attacker can trick the victim into opening visiting a specially crafted website, trigger memory corruption, gain access to the system, manipulate system files and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 1.6.40.148.
http://www.ininet.ch/public/MicroBrowser/XP/index.html

Vulnerable software versions

SpiderControl MicroBrowser: 1.6.30.144

External links

http://ics-cert.us-cert.gov/advisories/ICSA-17-234-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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