iPass Open Mobile Windows Client contains a remote code execution vulnerability

Overview

The iPass Open Mobile Windows Client versions 2.4.4 and earlier contains a remote code execution vulnerability.

Description

CWE-94: Improper Control of Generation of Code (‘Code Injection’)

The iPass Open Mobile Windows Client versions 2.4.4 and earlier utilizes named pipes for interprocess communication. One of the subprocesses spawned by the client runs with SYSTEM privileges. An authenticated user can register arbitrary DLL files, including ones located at UNC paths, by sending a specially-crafted unicode string to this subprocess to one of the named pipes. The DllMain function in the specified DLL file will then execute with SYSTEM privileges.

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Impact

A remote, authenticated user may be able to execute arbitrary code with SYSTEM privileges.

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Solution

Apply an Update

Affected users should update to version 2.4.5.

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Vendor Information

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iPass Inc Affected

Updated: January 21, 2015

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

CVSS Metrics

Group	Score	Vector
Base	8.5	AV:N/AC:M/Au:S/C:C/I:C/A:C
Temporal	6.7	E:POC/RL:OF/RC:C
Environmental	5.0	CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

• <http://www.ipass.com/enterprise-mobility/&gt;
• <http://cwe.mitre.org/data/definitions/94.html&gt;

Acknowledgements

Thanks to Matthias Kaiser for reporting this vulnerability.

This document was written by Todd Lewellen.

Other Information

CVE IDs:	CVE-2015-0925
Date Public:	2015-01-21 Date First Published: