Vulnerability Name:

CVE-2000-0457 (CCN-4448)

Assigned:2000-05-11
Published:2000-05-11
Updated:2018-10-30
Summary:ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:File Manipulation
References:Source: MITRE
Type: CNA
CVE-2000-0457

Source: BUGTRAQ
Type: UNKNOWN
20000511 Alert: IIS ism.dll exposes file contents

Source: CCN
Type: CIAC Information Bulletin K-041
Denial of Service and File Reading Vulnerabilities in Microsoft IIS

Source: CCN
Type: US-CERT VU#35085
Microsoft Internet Information Server (IIS) discloses contents of files via crafted request for .htr file

Source: CCN
Type: Microsoft Security Bulletin MS00-031
Patch Available for Undelimited .HTR Request and File Fragment Reading via .HTR Vulnerabilities

Source: CCN
Type: Microsoft Security Bulletin MS01-004
Patch Available for New Variant of File Fragment Reading via .HTR 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: CCN
Type: OSVDB ID: 1325
Microsoft IIS Malformed Filename Request File Fragment Disclosure

Source: BID
Type: UNKNOWN
1193

Source: CCN
Type: BID-1193
Microsoft IIS 4.0/5.0 Malformed Filename Request Vulnerability

Source: MS
Type: UNKNOWN
MS00-031

Source: XF
Type: UNKNOWN
iis-ism-file-access(4448)

Source: XF
Type: UNKNOWN
iis-ism-file-access(4448)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:internet_information_services:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • 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 internet information server 4.0
    microsoft internet information services 5.0
    microsoft internet information server 4.0
    microsoft internet information server 5.0