JVN#01167429
OpenWnn for Android vulnerable to information disclosure
Overview
OpenWnn for Android contains an issue in the access permissions for certain files.
Products Affected
- OpenWnn for Android 1.3.5 and earlier
Description
OpenWnn provided by OMRON SOFTWARE Co., Ltd. is a Japanese Input Method Editor (IME). OpenWnn for Android contains an issue in the access permissions for certain files.
Impact
If a user of the affected product uses other malicious Android application, information managed by the affected product may be disclosed.
Solution
Update the software
Update to the latest version according to the information provided by the developer.
Apply a workaround
The following workaround may mitigate the affects of this vulnerability until an update can be applied.
- Stop using OpenWnn for Android and use another IME software.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| OMRON SOFTWARE Co., Ltd. | Vulnerable | 2013/03/29 | OMRON SOFTWARE Co., Ltd. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2013.03.29
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | can be attacked over the Internet using packets |
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| Authentication | anonymous or no authentication (IP addresses do not count) |
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| User Interaction Required | the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspicious |
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| Exploit Complexity | some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls) |
|
Description of each analysis measures
Comment
This analysis assumes that the user is tricked into installing a malicious application.
Credit
Gaku Mochizuki of Mitsui Bussan Secure Directions, Inc. 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 |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2013-2301 |
| JVN iPedia |
JVNDB-2013-000025 |