JVN#57942454
Cybozu Garoon vulnerable to improper input validation
Overview
Cybozu Garoon contains an improper input validation vulnerability.
Products Affected
[CyVDB-2814]
- Cybozu Garoon 5.0.0 to 5.0.2
Description
Cybozu Garoon provided by Cybozu, Inc. contains an improper input validation vulnerability (CWE-20).
Impact
A user who can login to the product may delete some data of the bulletin board.
Solution
Update the software and Apply the patch
Update the software to Cybozu Garoon version 5.0.2, and then apply the patch according to the information provided by the developer.
[Updated on 2021 August 2]
Update the Software
The developer has released the version that contains a fix for this vulnerability.
Update to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Cybozu, Inc. | Vulnerable | 2020/11/04 | Cybozu, Inc. website |
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) |
Credit
Cybozu, Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the 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-2020-5643 |
| JVN iPedia |
JVNDB-2020-000071 |
Update History
- 2020/11/05
- Added information under [Other Information] section.
- 2021/08/02
- Information under the section [Solution] was updated.