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ncompress vulnerable to buffer overflow via long filename

Vulnerability Note VU#176363

Original Release Date: 2002-08-01 | Last Revised: 2002-08-10

Overview

Some versions of ncompress contain a buffer-overflow vulnerability.

Description

Versions 4.2.4 and earlier of ncompress do not properly handle filenames longer than 1023 characters.

Impact

By supplying long filenames to ncompress, an attacker may be able to gain local access to the server or force ncompress to execute arbitrary code.

Solution

Obtain a patch from your vendor.

Remove ncompress or remove execute permissions.

Vendor Information

176363
 
Affected   Unknown   Unaffected

Debian

Notified:  January 30, 2002 Updated:  July 31, 2002

Status

  Unknown

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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.

Hewlett-Packard Company

Notified:  January 30, 2002 Updated:  July 31, 2002

Status

  Unknown

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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.

IBM-zSeries

Notified:  January 30, 2002 Updated:  July 31, 2002

Status

  Unknown

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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.

MandrakeSoft

Notified:  January 30, 2002 Updated:  July 31, 2002

Status

  Unknown

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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.

Sequent

Notified:  January 30, 2002 Updated:  July 31, 2002

Status

  Unknown

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Acknowledgements

Thanks to Pavel Kankovsky for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs: None
Severity Metric: 0.92
Date Public: 2001-11-20
Date First Published: 2002-08-01
Date Last Updated: 2002-08-10 19:45 UTC
Document Revision: 10

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