Vulnerability Name:

CVE-2000-0991 (CCN-5387)

Assigned:2000-10-18
Published:2000-10-18
Updated:2018-10-12
Summary:Buffer overflow in Hilgraeve, Inc. HyperTerminal client on Windows 98, ME, and 2000 allows remote attackers to execute arbitrary commands via a long telnet URL, aka the "HyperTerminal Buffer Overflow" vulnerability.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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): 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
7.5 High (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2000-0991

Source: CCN
Type: CIAC Information Bulletin L-008
Microsoft HyperTerminal Buffer Overflow

Source: CCN
Type: Hilgraeve, Inc. Web site
HyperTerminal Private Edition

Source: CCN
Type: Microsoft Security Bulletin MS00-079 FAQ
Microsoft Security Bulletin (MS00-079):Frequently Asked Questions

Source: CCN
Type: Microsoft Security Bulletin MS00-079
Patch Available for 'HyperTerminal Buffer Overflow' Vulnerability

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

Source: CCN
Type: OSVDB ID: 1616
Hilgraeve HyperTerminal Telnet URL Overflow

Source: BID
Type: Exploit, Patch, Vendor Advisory
1815

Source: CCN
Type: BID-1815
Hilgraeve HyperTerminal Telnet Buffer Overflow Vulnerability

Source: CCN
Type: Underground Security Systems Research advisory USSR-2000055
HyperTerminal Buffer Overflow Vulnerability

Source: MS
Type: UNKNOWN
MS00-079

Source: XF
Type: UNKNOWN
win-hyperterminal-telnet-bo(5387)

Source: XF
Type: UNKNOWN
win-hyperterminal-telnet-bo(5387)

Source: CCN
Type: Microsoft Knowledge Base Article 274548
Patch for "HyperTerminal Buffer Overflow" Vulnerability in Windows 98, Windows Me

Source: CCN
Type: Microsoft Knowledge Base Article 276471
MS00-079: Patch for "HyperTerminal Buffer Overflow" Vulnerability In Windows 2000

Vulnerable Configuration:Configuration 1:
  • cpe:/a:hilgraeve:hyperterminal:*:*:*:*:*:*:*:* (Version <= 6.0)

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_98:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_98se:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_2000:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_me:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    hilgraeve hyperterminal *
    microsoft windows 98 *
    microsoft windows 98se *
    microsoft windows 2000 *
    microsoft windows me *