Published:2014/11/11 Last Updated:2014/11/11
JVN#14691234
Multiple Cybozu products vulnerable to buffer overflow
Overview
Multiple Cybozu products contain a buffer overflow vulnerability.
Products Affected
- Cybozu Office 10.0.2 and earlier
- Cybozu Mailwise 5.1.3 and earlier
- Cybozu Dezie 8.1.0 and earlier
Description
Multiple products provided by Cybozu, Inc. contain a buffer overflow vulnerability (CWE-119).
Impact
A remote attacker may cause a denial-of-service (DoS) or execute arbitrary code.
Solution
Update the Software
Update to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Cybozu, Inc. | Vulnerable | 2014/11/11 | Cybozu, Inc. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2014.11.11 (CVSS Base Metrics)
| Measures | Severity | Description | ||
|---|---|---|---|---|
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) | A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable". |
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) | Specialized access conditions or extenuating circumstances do not exist. |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) | The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface). |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) | There is total information disclosure, resulting in all system files being revealed. |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) | There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised. |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) | There is a total shutdown of the affected resource. |
Base Score:9.0
Credit
Masaaki Chida of GREE, Inc. reported this vulnerability to the developer.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2014-5314 |
| JVN iPedia |
JVNDB-2014-000130 |