Vulnerability identifier: #VU38605

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-11393

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OfficeScan
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Trend Micro

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Proxy command injection vulnerability in Trend Micro OfficeScan 11 and XG (12) allows remote attackers to execute arbitrary code on vulnerable installations. The specific flaw can be exploited by parsing the tr parameter within Proxy.php. Formerly ZDI-CAN-4543.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OfficeScan: 11.0 - 12.0

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External links
http://www.securityfocus.com/bid/100127
http://www.zerodayinitiative.com/advisories/ZDI-17-522
http://success.trendmicro.com/solution/1117769

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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