National Cyber-Alert System

Vulnerability Summary for CVE-2006-4403

Overview

The FTP server in Apple Mac OS X 10.4.8 and earlier, when FTP Access is enabled, will crash when a login failure occurs with a valid user name, which allows remote attackers to cause a denial of service (crash) and enumerate valid usernames.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA06-333A

Name: TA06-333A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA06-333A.html

US-CERT Vulnerability Note: VU#371648

Name: VU#371648

Hyperlink:http://www.kb.cert.org/vuls/id/371648

External Source: VUPEN

Name: ADV-2006-4750

Type: Advisory

Hyperlink:http://www.frsirt.com/english/advisories/2006/4750

External Source: SECUNIA

Name: 23155

Type: Advisory

Hyperlink:http://secunia.com/advisories/23155

External Source: APPLE

Name: APPLE-SA-2006-11-28

Hyperlink:http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html

External Source: CONFIRM

Name: http://docs.info.apple.com/article.html?artnum=304829

Hyperlink:http://docs.info.apple.com/article.html?artnum=304829

External Source: XF

Name: macos-ftp-server-login-dos(30621)

Hyperlink:http://xforce.iss.net/xforce/xfdb/30621

External Source: BID

Name: 21335

Hyperlink:http://www.securityfocus.com/bid/21335

External Source: OSVDB

Name: 30734

Hyperlink:http://www.osvdb.org/30734

External Source: SECTRACK

Name: 1017303

Hyperlink:http://securitytracker.com/id?1017303