Microsoft Internet Explorer 5.01/5.5/6.0 Legacy ActiveX Control memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 5.01/5.5/6.0 (Web Browser). This issue affects an unknown function of the component Legacy ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in a legacy ActiveX control used to display specially formatted text in Microsoft Internet Explorer 5.01, 5.5, and 6.0 allows remote attackers to execute arbitrary code, aka "Buffer Overrun in Legacy Text Formatting ActiveX Control".

The issue has been introduced in 11/08/1999. The weakness was disclosed 09/24/2002 by Mark Litchfield with Next Generation Security Software as MS02-047 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-2002-0647. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1051 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS02-047 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (9935). The entries 18768, 18769, 18770 and 18771 are pretty similar.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS02-047
SourceFire IPS: 🔍

Timelineinfo

11/08/1999 🔍
08/22/2002 +1018 days 🔍
08/22/2002 +0 days 🔍
09/24/2002 +33 days 🔍
09/24/2002 +0 days 🔍
12/02/2003 +434 days 🔍
07/23/2014 +3886 days 🔍
04/07/2017 +989 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS02-047
Researcher: Mark Litchfield
Organization: Next Generation Security Software
Status: Confirmed

CVE: CVE-2002-0647 (🔍)
X-Force: 9935
Vulnerability Center: 3075 - [MS02-047] Buffer Overflow in Legacy ActiveX Control, Medium
SecurityFocus: 5558

See also: 🔍

Entryinfo

Created: 07/23/2014 10:55
Updated: 04/07/2017 12:07
Changes: 07/23/2014 10:55 (64), 04/07/2017 12:07 (4)
Complete: 🔍

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