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CERT Coordination Center

ypbind contains buffer overflow

Vulnerability Note VU#121099

Original Release Date: 2002-03-29 | Last Revised: 2002-03-29

Overview

The daemon ypbind on Solaris and SunOS contains a buffer overflow vulnerability.

Description

A buffer overflow vulnerability has been discovered in ypbind, a daemon that runs on all client and server machines running Solaris and SunOS and set up to use a Network Information Server (NIS).

Impact

This vulnerability may be exploited by a local or a remote attacker to gain root access, and thus complete control of the victim host.

Solution

Apply the appropriates patches, available at:

http://sunsolve.sun.com/securitypatch

Refer to the following table to see which patch you should apply.

        OS Version          Patch ID        
        __________          _________
        SunOS 5.8           110322-01    
        SunOS 5.8_x86       110323-01    
        SunOS 5.7           108750-02    
        SunOS 5.7_x86       108751-02    
        SunOS 5.6           105403-04  
        SunOS 5.6_x86       105404-04    
        SunOS 5.5.1         105165-04  
        SunOS 5.5.1_x86     105166-04    
        SunOS 5.5           105169-04  
        SunOS 5.5_x86       105170-04    
        SunOS 5.4           101973-41  
        SunOS 5.4_x86       101974-41

None.

Vendor Information

121099
 

Sun Unknown

Notified:  October 13, 2001 Updated: December 20, 2001

Status

Unknown

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.


CVSS Metrics

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References

Acknowledgements

Thanks to Sun Microsystems for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs: None
Severity Metric: 14.05
Date Public: 2001-06-26
Date First Published: 2002-03-29
Date Last Updated: 2002-03-29 23:00 UTC
Document Revision: 10

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