Published:2023/10/23  Last Updated:2023/10/23

JVNVU#98683567
Improper restriction of XML external entity reference (XXE) vulnerability in OMRON CX-Designer

Overview

OMRON CX-Designer contains an improper restriction of XML external entity reference (XXE) vulnerability.

Products Affected

  • CX-Designer Ver.3.740 and earlier (included in CX-One CXONE-AL[][]D-V4)
Regarding how to check versions, see the manual "CX-Designer Ver.3.[] USER'S MANUAL (V099-E1-12)" provided by the developer.

Description

CX-Designer provided by OMRON Corporation contains an improper restriction of XML external entity reference (XXE) vulnerability (CWE-611).

Impact

If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where CX-Designer is installed may be disclosed.

Solution

Update the software
Update the software to the latest version according to the information provided by the developer.
The developer provides the below version that contains a fix for this vulnerability.

  • CX-Designer Ver.3.750 or later (included in CX-One CXONE-AL[][]D-V4)

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score: 5.5
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)

Credit

Michael Heinzl reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-43624
JVN iPedia