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.
Vendor Status
| Vendor | Link |
| Encourage Technologies Co.,Ltd. | Guide to Critical Maintenance Information for "ESS REC" (2023/04/26) (login required, Text in Japanese) |
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 |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2023-28382 |
| JVN iPedia |
JVNDB-2023-000055 |