Multiple vulnerabilities in OfficeScan

1) Input validation error

EUVDB-ID: #VU38605

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 - Improper input validation

Exploit availability: No

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

External links

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

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.

2) Cross-site scripting

EUVDB-ID: #VU39074

Risk: Low

CVSSv3.1: 5.6 [AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-8801

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing a crafted URI using a blocked website. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OfficeScan: 11.0 - 12.0

External links

http://files.trendmicro.com/products/officescan/11.0_SP1/readme/osce-11-sp1-patch1-win-all-criticalpatch-6325_readme.txt
http://success.trendmicro.com/solution/1117204-security-bulletin-trend-micro-officescan-11-xg-multiple-vulnerabilities

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.

3) Information disclosure

EUVDB-ID: #VU39080

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5481

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

Trend Micro OfficeScan 11.0 before SP1 CP 6325 and XG before CP 1352 allows remote authenticated users to gain privileges by leveraging a leak of an encrypted password during a web-console operation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OfficeScan: 11.0 - 12.0

External links

http://www.securityfocus.com/bid/98007
http://success.trendmicro.com/solution/1117204

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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