IBM AIX setclock buffer overflow in remote timeserver argument

Overview

There is a buffer overflow in the IBM AIX setclock command that may allow local attackers to gain root privileges.

Description

The setclock command sets the system’s clock from a remote time server. This command contains a buffer overflow in the handling of the remote timeserver hostname.

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Impact

An attacker with access to a local user account may be able to gain root privileges.

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Solution

Apply a Patch

IBM has released patches to correct this problem. For AIX version 4.2, system adminstrators should apply APAR#IY07790. For AIX version 4.3, system administrators should apply APAR#IY07831.

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Vendor Information

739201

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IBM Affected

Updated: September 28, 2001

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23739201 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.securityfocus.com/bid/2035&gt;
• <http://xforce.iss.net/static/5618.php&gt;
• <http://techsupport.services.ibm.com/rs6000/aix.uhuic_getrec?args=DVhuron.boulder.ibm.com+DBAIX+DA139817+STIY07831+USbin&gt;
• http://techsupport.services.ibm.com/support/rs6000.support/fixsearch?fixdb=aix4&srchtype=apar&query=IY07831
• <http://techsupport.services.ibm.com/rs6000/aix.uhuic_getrec?args=DVhuron.boulder.ibm.com+DBAIX+DA137621+STIY07790+USbin&gt;
• http://techsupport.services.ibm.com/support/rs6000.support/fixsearch?fixdb=aix4&srchtype=apar&query=IY07790

Acknowledgements

This document was written by Cory F. Cohen.

Other Information

CVE IDs:	CVE-2000-1122
Severity Metric:	7.09 Date Public: