Published:2020/03/02 Last Updated:2020/03/02
JVN#73472345
GRANDIT vulnerable to session management
Overview
GRANDIT contains a vulnerability in session management.
Products Affected
- GRANDIT Ver.1.6
- GRANDIT Ver.2.0
- GRANDIT Ver.2.1
- GRANDIT Ver.2.2
- GRANDIT Ver.2.3
- GRANDIT Ver.3.0
Description
GRANDIT provided by GRANDIT CORPORATION contains a vulnerability in session management (CWE-639).
Impact
A user who can access to the product may impersonate an arbitrary user. As a result, information may be altered or disclosed.
Solution
Apply the Patch
Apply the appropriate patch according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| GRANDIT CORPORATION | Vulnerable | 2020/03/02 | GRANDIT CORPORATION website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Base Score:
4.2
| 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:N/AC:H/Au:N/C:P/I:P/A:N
Base Score:
4.0
| 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
Kazuki Mitobe of FUJISOFT INCORPORATED 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-2020-5539 |
| JVN iPedia |
JVNDB-2020-000019 |