CVE-2002-0693

Severity

75%

Complexity

99%

Confidentiality

106%

Buffer overflow in the HTML Help ActiveX Control (hhctrl.ocx) in Microsoft Windows 98, 98 Second Edition, Millennium Edition, NT 4.0, NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute code via (1) a long parameter to the Alink function, or (2) script containing a long argument to the showHelp function.

Buffer overflow in the HTML Help ActiveX Control (hhctrl.ocx) in Microsoft Windows 98, 98 Second Edition, Millennium Edition, NT 4.0, NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute code via (1) a long parameter to the Alink function, or (2) script containing a long argument to the showHelp function.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

Microsoft

First reported 22 years ago

2002-10-10 04:00:00

Last updated 6 years ago

2019-04-30 14:27:00

Affected Software

Microsoft Windows 2000

Microsoft windows 2000_sp1

Microsoft windows 2000_sp2

Microsoft windows 2000_sp3

Microsoft Windows 2000 Terminal Services

Microsoft Windows 2000 Terminal Services Service Pack 1

Microsoft Windows 2000 Terminal Services Service Pack 2

Microsoft Windows 2000 Terminal Services Service Pack 3

Microsoft windows 98_gold

Microsoft windows 98_se

Microsoft Windows ME

Microsoft Windows 4.0 sp1 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP1

4.0

Microsoft Windows 4.0 sp1 workstation

4.0

Microsoft Windows 4.0 sp2 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP2

4.0

Microsoft Windows 4.0 sp2 workstation

4.0

Microsoft Windows 4.0 sp3 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP3

4.0

Microsoft Windows 4.0 sp3 workstation

4.0

Microsoft Windows 4.0 sp4 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP4

4.0

Microsoft Windows 4.0 sp4 workstation

4.0

Microsoft Windows 4.0 sp5 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP5

4.0

Microsoft Windows 4.0 sp5 workstation

4.0

Microsoft Windows 4.0 sp6 server

4.0

Microsoft Windows NT Terminal Server 4.0 SP6

4.0

Microsoft Windows 4.0 sp6 workstation

4.0

Microsoft Windows 4.0 sp6a server

4.0

Microsoft Windows NT Terminal Server 4.0 SP6a

4.0

Microsoft Windows 4.0 sp6a workstation

4.0

Microsoft Windows XP Professional Gold

Microsoft Windows XP Service Pack 1 Home Edition

References

20021003 Buffer Overflow in IE/Outlook HTML Help

20021009 Thor Larholm security advisory TL#004

20021010 prover of concept code of windows help overflow

win-html-help-bo(10253)

Vendor Advisory

5874

MS02-055

oval:org.mitre.oval:def:374

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