| VID |
28317 |
| Severity |
40 |
| Port |
139,445 |
| Protocol |
TCP |
| Class |
SMB |
| Detailed Description |
A user with the Replace a Process Level Token privilege is detected. Replace a process level token allows a user to modify a security access token process. This right is not normally granted to any user since this right is used only by the system. A normal user with this right could gain administrative rights.
* Note: This check requires an account with administrative privileges which can log into the 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://support.microsoft.com/default.aspx?scid=kb;[LN];101366
http://support.microsoft.com/default.aspx?scid=kb;[LN];186374
http://support.microsoft.com/default.aspx?scid=kb;[LN];131144
http://hq.mcafeeasap.com/vulnerabilities/vuln_data/23000.asp
http://www.statonline.com/technologies/sec_articles/rights.asp
* Platforms Affected:
Windows Any version |
| Recommendation |
Check user rights for the Replace a Process Level Token, and remove any names disallowed by your security policy.
To audit and revoke this privilege:
For Windows NT:
1. Open User Manager (From the Windows NT Start menu, select Programs, Administrative Tools (Common), and User Manager).
2. From the Policies menu, select User Rights to display the User Rights Policy dialog box.
3. Select the Show Advanced User Rights check box.
4. From the Right list, select Replace a Process Level Token.
5. Verify this right is set in accordance with your administration policy.
6. To remove a user, select the user and click Remove.
For a Windows 2000 domain:
1. Start Microsoft Management Console (mmc). From the Windows Start menu, select Run, type mmc, and click OK.
2. Add Group Policy Snap-in.
3. Browse Group Policy Objects.
4. Select the Domain Policy of interest.
5. Traverse the following path:
Computer Configuration, Windows Settings, Security Settings, Local Policies, User Rights Assignment and Replace a Process Level Token.
6. Set the user right to desired setting according to your administration policy.
For a stand-alone Windows 2000 computer:
1. On the affected computer, start gpedit.msc. From the Windows Start menu, select Run, type gpedit.msc, and click OK. The focus is local computer by default.
2. Traverse the following path:
Computer Configuration, Windows Settings, Security Settings, Local Policies, User Rights Assignment and Replace a Process Level Token.
3. Set the user right to desired setting according to your administration policy.
For Windows XP, 2003, 7, 2008, 8, 2012, 10, 2016, 2019 computer:
1. On the affected computer, start gpedit.msc. From the Windows Start menu, select Run, type gpedit.msc, and click OK. The focus is local computer by default.
2. Traverse the following path:
Computer Configuration, Windows Settings, Security Settings, Local Policies, User Rights Assignment and Replace a Process Level Token.
3. Set the user right to desired setting according to your administration policy. |
| Related URL |
CVE-1999-0534 (CVE) |
| Related URL |
(SecurityFocus) |
| Related URL |
234 (ISS) |
|
