JVN#40049211
Improper restriction of XML external entity references (XXE) in Electronic Deliverables Creation Support Tool provided by Ministry of Defense
Overview
Electronic Deliverables Creation Support Tool provided by Ministry of Defense improperly restricts XML external entity references (XXE).
Products Affected
- Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4
- Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4
Description
Electronic Deliverables Creation Support Tool provided by Ministry of Defense improperly restricts XML external entity references (XXE) (CWE-611).
Impact
Processing a specially crafted XML file may lead to exposure of internal files on the system.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Ministry of Defense | Electronic Deliverables Creation Support Tool (Text in Japanese) |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| 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) |
| 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) |
Comment
The analysis treats the internal files exposure as the primary impact "Confidentiality(C)".
Credit
Toyama Taku of NEC Corporation 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-2024-21796 |
| JVN iPedia |
JVNDB-2024-000009 |