Published:2023/05/26  Last Updated:2023/05/26

JVN#19243534
ESS REC Agent Server Edition for Linux etc. vulnerable to directory traversal

Overview

ESS REC Agent Server Edition for Linux etc. contain a directory traversal vulnerability.

Products Affected

  • ESS REC Agent Server Edition for Linux V1.0.0 to V1.4.3
  • ESS REC Agent Server Edition for Solaris V1.1.0 to V1.4.0
  • ESS REC Agent Server Edition for HP-UX V1.1.0 to V1.4.0
  • ESS REC Agent Server Edition for AIX V1.2.0 to V1.4.1

Description

ESS REC Agent Server Edition for Linux etc. provided by Encourage Technologies Co.,Ltd. contain a directory traversal vulnerability (CWE-23).

Impact

Arbitrary files on the server may be viewed or altered by an attacker.

Solution

Update the software
Update the software to the latest version according to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score: 8.8
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)
CVSS v2 AV:L/AC:L/Au:S/C:C/I:C/A:C
Base Score: 6.8
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Hayato Ushimaru of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-28382
JVN iPedia JVNDB-2023-000055