Vulnerability Name:

CVE-2000-0246 (CCN-4204)

Assigned:2000-03-30
Published:2000-03-30
Updated:2018-10-30
Summary:IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized UNC Share" vulnerability.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2000-0246

Source: CCN
Type: Microsoft Security Bulletin MS00-019
Patch Available for "Virtualized UNC Share" Vulnerability

Source: CCN
Type: Microsoft Security Bulletin MS01-041
Malformed RPC Request Can Cause Service Failure

Source: CCN
Type: Microsoft Security Bulletin MS02-001
Trusting Domains Do Not Verify Domain Membership of SIDs in Authorization Data

Source: CCN
Type: Microsoft Security Bulletin MS02-018
Cumulative Patch for Internet Information Services (Q319733)

Source: CCN
Type: Microsoft Security Bulletin MS02-062
Cumulative Patch for Internet Information Service (Q327696)

Source: CCN
Type: Microsoft Security Bulletin MS03-018
Cumulative Patch for Internet Information Service (811114)

Source: MSKB
Type: UNKNOWN
Q249599

Source: CCN
Type: OSVDB ID: 7807
Microsoft IIS ISAPI Virtual Directory UNC Mapping ASP Source Disclosure

Source: BID
Type: UNKNOWN
1081

Source: CCN
Type: BID-1081
Microsoft IIS UNC Mapped Virtual Host Vulnerability

Source: MS
Type: UNKNOWN
MS00-019

Source: XF
Type: UNKNOWN
iis-virtual-unc-share(4204)

Source: CCN
Type: Microsoft Knowledge Base Article 249599
Virtual Directory Mapped to UNC Returns Server-Side Script Code When URL Contains Additional Characters at the End of the Request

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:commercial_internet_system:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:commercial_internet_system:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_information_services:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:proxy_server:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:site_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:site_server_commerce:3.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:proxy_server:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:commercial_internet_system:2.5:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:site_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:commercial_internet_system:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_information_services:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_information_server:5.0:*:*:*:far_east:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft commercial internet system 2.0
    microsoft commercial internet system 2.5
    microsoft internet information server 4.0
    microsoft internet information services 5.0
    microsoft proxy server 2.0
    microsoft site server 3.0
    microsoft site server commerce 3.0
    microsoft proxy server 2.0
    microsoft commercial internet system 2.5
    microsoft site server 3.0
    microsoft commercial internet system 2.0
    microsoft internet information server 4.0
    microsoft internet information server 5.0