[Japanese]

JVNDB-2022-000028

Multiple vulnerabilities in multiple MEIKYO ELECTRIC products

Overview

Multiple MEIKYO ELECTRIC products provided by MEIKYO ELECTRIC CO.,LTD. contain multiple vulnerabilities listed below.

* Cross-site request forgery (CWE-352) - CVE-2022-27632
* Cross-site scripting (CWE-79) - CVE-2022-28717

Takayuki Sasaki of Yokohama National University reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2022-27632

CVSS V3 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2022-28717
Affected Products


MEIKYO ELECTRIC CO.,LTD.
  • PoE BOOT nino PoE8M2 firmware version 1.00A to 1.20A
  • POSE SE10-8A7B1 firmware version 1.00A to 1.20A
  • TIME BOOT mini RSC-MT4H [End of Sale] all firmware versions
  • TIME BOOT mini RSC-MT4HS firmware version 1.00A to 1.10A
  • TIME BOOT RSC-MT8F [End of Sale] all firmware versions
  • TIME BOOT RSC-MT8FP [End of Sale] all firmware versions
  • TIME BOOT RSC-MT8FS firmware version 1.00A to 1.00E
  • WATCH BOOT L-zero RPC-M4L [End of Sale] all firmware versions
  • WATCH BOOT L-zero RPC-M4LS firmware version 1.00A to 1.20A
  • WATCH BOOT light RPC-M5C [End of Sale] all firmware versions
  • WATCH BOOT light RPC-M5CS firmware version 1.00A to 1.00D
  • WATCH BOOT mini RPC-M4H [End of Sale] all firmware versions
  • WATCH BOOT nino RPC-M2C [End of Sale] all firmware versions
  • WATCH BOOT nino RPC-M2CS firmware version 1.00A to 1.00D
  • SignageRebooter RPC-M4HSi firmware version 1.00A

Impact

* If a user views a malicious page while logged in to the product's web interface, unintended operations may be performed - CVE-2022-27632
* An arbitrary script may be executed on the web browser of the user who is accessing the product's web interface - CVE-2022-28717
Solution

CVE-2022-27632
[Apply the Workaround]
Apply the following workaround to avoid the impacts of this vulnerability.

  • Do not browse pages other than the product's web interface on the same web browser while logging in to the web interface


CVE-2022-28717
[Update the firmware]
Apply the appropriate firmware update according to the information provided by the developer.
For more information, refer to the information provided by the developer.

[Stop using the products and Switch to alternative products]
The developer states that the following products are no longer supported, and recommends to use alternative unaffected products.

  • Rebooter
    • WATCH BOOT nino RPC-M2C
    • WATCH BOOT light RPC-M5C
    • WATCH BOOT L-zero RPC-M4L
    • WATCH BOOT mini RPC-M4H
  • Scheduler
    • TIME BOOT mini RSC-MT4H
    • TIME BOOT RSC-MT8F
    • TIME BOOT RSC-MT8FP
Vendor Information

MEIKYO ELECTRIC CO.,LTD.
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-27632
  2. CVE-2022-28717
References

  1. JVN : JVN#58266015
Revision History

  • [2022/05/09]
      Web page was published

Date Public2022/05/09
Date First Published2022/05/09
Date Last Updated2022/05/09