JVN#69304877
Multiple vulnerabilities in CLUSTERPRO X and EXPRESSCLUSTER X

Overview

CLUSTERPRO X and EXPRESSCLUSTER X provided by NEC Corporation contain multiple vulnerabilities.

Products Affected

• CLUSTERPRO X 4.3 for Windows and earlier
• EXPRESSCLUSTER X 4.3 for Windows and earlier
• CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier
• EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier

Description

CLUSTERPRO X and EXPRESSCLUSTER X provided by NEC Corporation contain multiple vulnerabilities listed below.

• Buffer overflow in the Disk Agent (CWE-119) - CVE-2021-20700、CVE-2021-20701

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Base Score: 9.8
  CVSS v2	AV:N/AC:L/Au:N/C:C/I:C/A:C	Base Score: 10.0

• Buffer overflow in the Transaction Server (CWE-119) - CVE-2021-20702、CVE-2021-20703

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Base Score: 9.8
  CVSS v2	AV:N/AC:L/Au:N/C:C/I:C/A:C	Base Score: 10.0

• Buffer overflow in the compatible API with previous versions (Ver 8.0 and earlier) (CWE-119) - CVE-2021-20704

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Base Score: 9.8
  CVSS v2	AV:N/AC:L/Au:N/C:C/I:C/A:C	Base Score: 10.0

• Remote file upload in the WebManager (CWE-20) - CVE-2021-20705、CVE-2021-20706

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	Base Score: 7.5
  CVSS v2	AV:N/AC:L/Au:N/C:N/I:C/A:N	Base Score: 7.8

• Read files in the Transaction Server (CWE-20) - CVE-2021-20707

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Base Score: 7.5
  CVSS v2	AV:N/AC:L/Au:N/C:C/I:N/A:N	Base Score: 7.8

Impact

• Receiving a specially crafted packet sent by a remote attacker may allow arbitrary code execution  - CVE-2021-20700, CVE-2021-20701, CVE-2021-20702, CVE-2021-20703, CVE-2021-20704
• A specially crafted upload request sent by a remote attacker may be accepted - CVE-2021-20705, CVE-2021-20706
• Receiving specially crafted packet sent by a remote attacker may allow an arbitrary file being read - CVE-2021-20707

Solution

Update the software
Update the software to the latest version according to the information provided by the developer.
The developer has released the following updates for CLUSTERPRO X and EXPRESSCLUSTER X that address the vulnerabilities.

• CLUSTERPRO X 4.3 for Windows additional update (CPRO-XWA40-13)
• CLUSTERPRO X SingleServerSafe 4.3 for Windows additional update (CPRO-XWA40-13)
• CLUSTERPRO X 3.3 for Windows additional update (CPRO-XWA30-96E)
• CLUSTERPRO X SingleServerSafe 3.3 for Windows additional update (CPRO-XWA30-96E)

• Enable a firewall and block unnecesary communication
  • Allow only hosts belonging to the cluster to accept connection requests for the following ports:
    • Data transfer (Default: 29002)
    • Communication between disk agents (Default: 29004)
  • Allow only trusted clients to accept connection requests for the following port:
    • HTTP port of WebManager (Default: 29003)
  • Allow only local hosts to accept connection requests for the process clpoldapi.exe