Title: FreeWnn jserver JS_MKDIR Metacharacter Command Execution Vulnerability
Severity: CRITICAL
Description:
FreeWnn 1.1.0 is a kana-kanji (japanese) translation system. This software is a client-server type application, with the jserver portion acting as a server and performing translations for clients. The jserver component passes unsanitized information from the client via the JS_MKDIR command to a system() libcall, allowing arbitrary command execution with the semi-colon ";" command separation metacharacter. Commands sent in this manner will be executed at the privilege level of the jserver process. Further details have not been elucidated; this is a japanese product.
Affected Products:
- FreeWnn FreeWnn 1.1.0
References:
- FreeWnn.org: freewnn
- Shadow Penguin Security: SPS Advisory #44 - Wnn jserver JS_MKDIR command vulnerability
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