Microsoft Internet Explorer 6.0 Error Message ::{ denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Internet Explorer 6.0. This affects the function ::{ of the component Error Message Handler. The manipulation results in denial of service. This vulnerability is reported as CVE-2004-2434. The attack can be launched remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Internet Explorer 6.0 (Web Browser). Affected is the function ::{ of the component Error Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with "::{" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using "Save As" and Internet Explorer prepares an error message with an attacker-controlled format string.

The issue has been introduced in 09/09/2002. The weakness was disclosed 07/14/2004 (Full-Disclosure). The advisory is available at archives.neohapsis.com. This vulnerability is traded as CVE-2004-2434 since 08/18/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 675 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (16420), Exploit-DB (376), SecurityFocus (BID 10552†), OSVDB (8335†) and Secunia (SA11868†). The entry VDB-713 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/09/2002 🔍
06/14/2004 +644 days 🔍
06/15/2004 +0 days 🔍
07/14/2004 +29 days 🔍
07/14/2004 +0 days 🔍
08/05/2004 +21 days 🔍
12/31/2004 +147 days 🔍
08/18/2005 +230 days 🔍
03/09/2015 +3490 days 🔍
07/28/2025 +3794 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: archives.neohapsis.com
Status: Confirmed

CVE: CVE-2004-2434 (🔍)
GCVE (CVE): GCVE-0-2004-2434
GCVE (VulDB): GCVE-100-23322
X-Force: 16420 - Microsoft Internet Explorer null pointer denial of service
SecurityFocus: 10552
Secunia: 11868
OSVDB: 8335 - Microsoft IE mshtml.dll Null Pointer DoS
SecurityTracker: 1010491 - Microsoft Internet Explorer Crashes When Saving Files With Special Character Strings

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

Entryinfo

Created: 03/09/2015 16:55
Updated: 07/28/2025 06:47
Changes: 03/09/2015 16:55 (61), 05/07/2019 12:40 (7), 07/01/2021 07:01 (3), 07/28/2025 06:47 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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