Microsoft Internet Explorer 6.0 SP1 DHTML Link memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Internet Explorer 6.0 SP1 and classified as critical. This issue affects some unknown processing of the component DHTML Link Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2003-1484. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6.0 SP1 (Web Browser) and classified as critical. This issue affects an unknown part of the component DHTML Link Handler. 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 availability. The summary by CVE is:

Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (crash) by creating a DHTML link that uses the AnchorClick "A" object with a blank href attribute.

The weakness was shared 05/05/2003 by David F. Madrid as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2003-1484 since 10/24/2007. 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. Technical details are unknown but a public exploit is available.

The exploit is available at usuarios.lycos.es. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (11946), SecurityFocus (BID 7502†) and OSVDB (60401†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.5
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: microsoft.com

Timelineinfo

05/05/2003 🔍
05/05/2003 +0 days 🔍
05/05/2003 +0 days 🔍
12/31/2003 +240 days 🔍
10/24/2007 +1393 days 🔍
11/20/2009 +758 days 🔍
05/07/2019 +3454 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Researcher: David F. Madrid
Status: Not defined

CVE: CVE-2003-1484 (🔍)
GCVE (CVE): GCVE-0-2003-1484
GCVE (VulDB): GCVE-100-59
X-Force: 11946 - Microsoft Internet Explorer anchorClick behavior denial of service, Medium Risk
SecurityFocus: 7502 - Microsoft Internet Explorer DHTML AnchorClick Partial Denial Of Service Vulnerability
OSVDB: 60401 - Microsoft IE Crafted DHTML AnchorClick Attribute Handling Remote DoS

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/05/2003 02:00
Updated: 05/07/2019 12:37
Changes: 05/05/2003 02:00 (73), 05/07/2019 12:37 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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