PT-2017-11977 · Trend Micro · Trend Micro Interscan Messaging Security Virtual Appliance

Mr_Me + 1 · Published 2017-07-31 · Updated 2017-08-07 · CVE-2017-11391

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Trend Micro InterScan Messaging Virtual Appliance versions 9.0 through 9.1

Description The issue allows remote attackers to execute arbitrary code on vulnerable installations by exploiting a proxy command injection vulnerability. This can be done by parsing the t parameter within the modTMCSS Proxy.

Recommendations For versions 9.0 and 9.1, avoid using the t parameter in the modTMCSS Proxy until a patch is available. Consider restricting access to the modTMCSS Proxy to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2017-11391

ZDI-17-502

Affected Products

Trend Micro Interscan Messaging Security Virtual Appliance

References · 6

• https://success.trendmicro.com/solution/1117723 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-11391 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-17-502 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-11391 · Security Note
• http://zerodayinitiative.com/advisories/ZDI-17-502 · Note
• http://securityfocus.com/bid/100075 · Note