Vulnerability Name:

CVE-2000-0258 (CCN-4279)

Assigned:2000-04-12
Published:2000-04-12
Updated:2018-10-30
Summary:IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2000-0258

Source: CCN
Type: CIAC Information Bulletin K-033
Microsoft "Myriad Escaped Characters" Vulnerability

Source: CCN
Type: Microsoft Security Bulletin MS00-023 FAQ
Microsoft Security Bulletin (MS00-023): Frequently Asked Questions

Source: CCN
Type: Microsoft Security Bulletin MS00-023
Patch Available for 'Myriad Escaped Characters' 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: 1281
Microsoft IIS Escaped Character Saturation Remote DoS

Source: CCN
Type: S.A.F.E.R. Security Bulletin SAFER 000412.DOS.1.4
Remote DoS against Microsoft IIS

Source: BID
Type: Third Party Advisory, VDB Entry
1101

Source: CCN
Type: BID-1101
Microsoft IIS 4.0/5.0 Escaped Characters Vulnerability

Source: MS
Type: UNKNOWN
MS00-023

Source: XF
Type: UNKNOWN
iis-myriad-escape-chars(4279)

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