Overview
The Symantec AppStream LaunchObj ActiveX control contains methods that can be used to download and execute arbitrary code.
Description
Symantec AppStream is an application deployment framework for Microsoft Windows. One of the components of the AppStream Windows Client is an ActiveX control that is provided by launcher.dll. This ActiveX control is marked Safe for Scripting in Internet Explorer and contains a number of unsafe methods, such as installAppMgr(), which can be used to download and execute arbitrary code. |
Impact
By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message or attachment), an attacker may be able to execute arbitrary code with the privileges of the user. |
Solution
Apply an update This issue is resolved in the Symantec AppStream Client 5.2.2 SP3 MP1. This version of the client software provides version 5.2.2.865 of the LaunchObj ActiveX control, which performs additional validation of downloaded files. Please see Symantec Advisory SYM09-001 for more details. |
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{3356DB7C-58A7-11D4-AA5C-006097314BF8}] "Compatibility Flags"=dword:00000400 Disabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this and other ActiveX vulnerabilities. Instructions for disabling ActiveX in the Internet Zone can be found in the "Securing Your Web Browser" document. |
Vendor Information
CVSS Metrics
Group | Score | Vector |
---|---|---|
Base | 0 | AV:--/AC:--/Au:--/C:--/I:--/A:-- |
Temporal | 0 | E:Not Defined (ND)/RL:Not Defined (ND)/RC:Not Defined (ND) |
Environmental | 0 | CDP:Not Defined (ND)/TD:Not Defined (ND)/CR:Not Defined (ND)/IR:Not Defined (ND)/AR:Not Defined (ND) |
References
Acknowledgements
This vulnerability was reported by Will Dormann of the CERT/CC.
This document was written by Will Dormann.
Other Information
CVE IDs: | CVE-2008-4388 |
Severity Metric: | 5.68 |
Date Public: | 2009-01-15 |
Date First Published: | 2009-01-15 |
Date Last Updated: | 2009-01-15 19:25 UTC |
Document Revision: | 10 |