Vulnerability Name:

CVE-2006-4403 (CCN-30621)

Assigned:2006-11-28
Published:2006-11-28
Updated:2017-07-20
Summary: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.
CVSS v3 Severity:6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:P)
3.0 Low (Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
6.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:C)
4.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2006-4403

Source: CCN
Type: Apple Security Update 2006-007
About the security content of Security Update 2006-007

Source: CONFIRM
Type: UNKNOWN
http://docs.info.apple.com/article.html?artnum=304829

Source: APPLE
Type: UNKNOWN
APPLE-SA-2006-11-28

Source: CCN
Type: SA23155
Mac OS X Security Update Fixes Multiple Vulnerabilities

Source: SECUNIA
Type: Vendor Advisory
23155

Source: CCN
Type: SECTRACK ID: 1017303
Mac OS X ftpd Discloses Valid User Account Names to Remote Users

Source: SECTRACK
Type: UNKNOWN
1017303

Source: CCN
Type: US-CERT VU#371648
Apple Mac OS X ftpd may allow arbitrary users to determine account name validity

Source: CERT-VN
Type: US Government Resource
VU#371648

Source: OSVDB
Type: UNKNOWN
30734

Source: CCN
Type: OSVDB ID: 30734
Apple Mac OS X ftpd Valid Login Remote DoS

Source: BID
Type: UNKNOWN
21335

Source: CCN
Type: BID-21335
Apple Mac OS X 2006-007 Multiple Security Vulnerabilities

Source: CERT
Type: US Government Resource
TA06-333A

Source: VUPEN
Type: UNKNOWN
ADV-2006-4750

Source: XF
Type: UNKNOWN
macos-ftp-server-login-dos(30621)

Source: XF
Type: UNKNOWN
macos-ftp-server-login-dos(30621)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.4.8)

  • Configuration CCN 1:
  • cpe:/o:apple:mac_os_x:10.3.9:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple mac os x 10.3.9