CVE-2019-18187 : Trend Micro OfficeScan versions 11.0 and XG (12.0) could be exploited by an atta

Trend Micro OfficeScan versions 11.0 and XG (12.0) could be exploited by an attacker utilizing a directory traversal vulnerability to extract files from an arbitrary zip file to a specific folder on the OfficeScan server, which could potentially lead to remote code execution (RCE). The remote process execution is bound to a web service account, which depending on the web platform used may have restricted permissions. An attempted attack requires user authentication.

Published 2019-10-28 20:15:11

Updated 2019-10-31 20:59:53

Source Trend Micro, Inc.

View at NVD, CVE.org

Vulnerability category: Directory traversalExecute code

Products affected by CVE-2019-18187

Trendmicro » Officescan » Version: 11.0 Update SP1
cpe:2.3:a:trendmicro:officescan:11.0:sp1:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Officescan » Version: XG Update SP1
cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Trendmicro » Officescan » Version: XG
cpe:2.3:a:trendmicro:officescan:xg:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

CVE-2019-18187 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Trend Micro OfficeScan Directory Traversal Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

Trend Micro OfficeScan contains a directory traversal vulnerability by extracting files from a zip file to a specific folder on the OfficeScan server, leading to remote code execution.

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2019-18187

Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2019-18187

EPSS FAQ

11.31%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 95 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-18187

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2019-18187

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-18187

https://success.trendmicro.com/solution/000151730

Vendor Advisory