| VID |
26003 |
| Severity |
40 |
| Port |
139 |
| Protocol |
TCP |
| Class |
SMB |
| Detailed Description |
The hotfix (Q313829) for the 'Unchecked Buffer in Windows Shell' has not been applied.
The Windows Shell is responsible for providing the basic framework of the Windows user interface experience. It is most familiar to users as the Windows Desktop, but also provides a variety of other functions to help define the user's computing session, including organizing files and folders, and providing the means to start applications.
An unchecked buffer exists in one of the functions that helps to locate incompletely removed applications on the system. A security vulnerability results because it is possible for a malicious user to mount a buffer overrun attack and attempt to exploit this flaw. A successful attack would have the effect of either causing the Windows Shell to crash, or causing code to run in the user's context.
By default, this is not remotely exploitable. However, under very unusual conditions, it could be exploited via a web page. Specifically, if the user has installed, then uninstalled an application with custom URL handlers, and the application's uninstall routine failed to correctly remove the application completely, an attacker could attempt to mount an attack by constructing an HTML web page that seeks to overrun the buffer. Such a web page could be delivered either by posting it on a web site or sending it by email.
* Note: This check requires an account with Guest or upper privileges which can access the registry of the remote host to scan. Absence of these condition will result in the check not being performed and a False Negative for all vulnerable hosts.
* References:
http://www.microsoft.com/technet/security/bulletin/ms02-014.asp
http://online.securityfocus.com/bid/4248
* Affected Software
Microsoft Windows 98
Microsoft Windows NT 4.0
Microsoft Windows 2000 |
| Recommendation |
Appy the appropriate patch (Q313829) for your system, as listed in Microsoft Security Bulletin MS02-014, http://www.microsoft.com/technet/security/bulletin/MS02-014.asp |
| Related URL |
(CVE) |
| Related URL |
(SecurityFocus) |
| Related URL |
(ISS) |
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