Apple Mac OS X ftpd may allow arbitrary users to determine account name validity

2006-11-30T00:00:00
ID VU:371648
Type cert
Reporter CERT
Modified 2006-11-30T15:49:00

Description

Overview

Apple Mac OS X ftpd may allow arbitrary users to determine account name validity. This vulnerability may reveal protected information or allow an attacker to cause a denial-of-service condition.

Description

According to Apple Security Update 2006-007:

When attempting to authenticate a valid user, the FTP server may crash during a failed login attempt. The crash does not occur when attempting to authenticate unknown users.


Impact

A remote, unauthenticated attacker may be able to determine protected information or cause a denial-of-service condition.


Solution

Apply Apple Updates

This issue is addressed by Apple Security Update 2006-007.


Vendor Information

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Apple Computer, Inc. __ Affected

Updated: November 29, 2006

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

Refer to Apple Security Update 2006-007.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group | Score | Vector
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Base | |
Temporal | |
Environmental | |

References

  • <http://docs.info.apple.com/article.html?artnum=304829>
  • <http://secunia.com/advisories/23155/>

Acknowledgements

This issue was reported in Apple Security Update 2006-007. Apple credits Benjamin Williams of the University of Canterbury for reporting this issue.

This document was written by Chris Taschner.

Other Information

CVE IDs: | CVE-2006-4403
---|---
Severity Metric: | 10.13
Date Public: | 2006-11-28
Date First Published: | 2006-11-30
Date Last Updated: | 2006-11-30 15:49 UTC
Document Revision: | 9