Microsoft Internet Explorer 5.01 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Internet Explorer 5.01 and classified as critical. Affected by this issue is some unknown functionality. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2005-2831. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 5.01 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, aka a variant of the "COM Object Instantiation Memory Corruption Vulnerability," a different vulnerability than CVE-2005-2127.

The issue has been introduced in 11/08/1999. The weakness was disclosed 12/13/2005 by Will Dormann with CERT/CC (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2005-2831 since 09/07/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2228 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 20299 (MS05-054: Cumulative Security Update for Internet Explorer (905915)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100032 (Microsoft Windows Cumulative Update For Internet Explorer Missing (MS05-054)).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 4890.

The vulnerability is also documented in the databases at X-Force (23453), Tenable (20299), SecurityFocus (BID 15827†), OSVDB (21763†) and Secunia (SA15368†). The entries VDB-1537, VDB-1914, VDB-1915 and VDB-1916 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

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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Nessus ID: 20299
Nessus Name: MS05-054: Cumulative Security Update for Internet Explorer (905915)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 4890

Suricata ID: 2002725
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/08/1999 🔍
09/07/2005 +2130 days 🔍
12/13/2005 +97 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/14/2005 +0 days 🔍
12/14/2005 +0 days 🔍
03/11/2015 +3374 days 🔍
06/29/2025 +3763 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: Will Dormann
Organization: CERT/CC
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2831 (🔍)
GCVE (CVE): GCVE-0-2005-2831
GCVE (VulDB): GCVE-100-27457

OVAL: 🔍

CERT: 🔍
X-Force: 23453
SecurityFocus: 15827 - Microsoft Internet Explorer COM Object Instantiation Memory Corruption Vulnerability
Secunia: 15368 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 21763 - Microsoft IE Embedded CLSID COM Object Arbitrary Code Execution
SecurityTracker: 1015348 - Microsoft Internet Explorer Bug in Instantiating COM Objects May Let Remote Users Execute Arbitrary Code
Vulnerability Center: 9971 - [MS05-054] Microsoft Internet Explorer COM Object Instantiation Memory Corruption, Medium
Vupen: ADV-2005-2867

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

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/29/2025 19:31
Changes: 03/11/2015 23:39 (74), 05/07/2019 12:40 (19), 07/06/2021 20:58 (3), 01/04/2025 18:29 (17), 06/29/2025 19:31 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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