Microsoft Internet Explorer 6/6 SP1/7/8 Data Stream Header code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Internet Explorer 6/6 SP1/7/8. This affects an unknown function of the component Data Stream Header Handler. This manipulation causes code injection. This vulnerability is registered as CVE-2009-2531. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer 6/6 SP1/7/8 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown processing of the component Data Stream Header Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 6, 6 SP1, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-2530.

The weakness was published 10/13/2009 by Sam Thomas with Microsoft as MS09-054 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is known as CVE-2009-2531 since 07/17/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 42110 (MS09-054: Cumulative Security Update for Internet Explorer (974455)), 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 90545 (Microsoft Internet Explorer Cumulative Security Update (MS09-054)).

Upgrading eliminates this vulnerability. Applying the patch MS09-054 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8654.

The vulnerability is also documented in the databases at X-Force (53544), Tenable (42110), SecurityFocus (BID 36616†), OSVDB (58874†) and Secunia (SA36979†). Similar entries are available at VDB-4047, VDB-4046, VDB-4048 and VDB-50448. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Nessus ID: 42110
Nessus Name: MS09-054: Cumulative Security Update for Internet Explorer (974455)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 901041
OpenVAS Name: Microsoft Internet Explorer Multiple Code Execution Vulnerabilities (974455)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Patch: MS09-054
TippingPoint: 🔍

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

07/17/2009 🔍
10/13/2009 +87 days 🔍
10/13/2009 +0 days 🔍
10/13/2009 +0 days 🔍
10/13/2009 +0 days 🔍
10/13/2009 +0 days 🔍
10/14/2009 +0 days 🔍
10/14/2009 +0 days 🔍
10/19/2009 +5 days 🔍
04/13/2025 +5655 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS09-054
Researcher: Sam Thomas
Organization: Microsoft
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2009-2531 (🔍)
GCVE (CVE): GCVE-0-2009-2531
GCVE (VulDB): GCVE-100-4045

OVAL: 🔍

X-Force: 53544
SecurityFocus: 36616 - Microsoft Internet Explorer 'writing-mode' Uninitialized Memory Remote Code Execution Vulnerability
Secunia: 36979 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 58874 - Microsoft IE CSS Parsing writing-mode Style Memory Corruption
Vulnerability Center: 23736 - [MS09-054] Internet Explorer 6-8 Uninitialized Memory Corruption Allows Remote Code Execution, Medium

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

Entryinfo

Created: 10/19/2009 12:31
Updated: 04/13/2025 20:52
Changes: 10/19/2009 12:31 (61), 04/07/2017 12:02 (30), 03/17/2021 14:26 (8), 03/17/2021 14:33 (2), 03/17/2021 14:38 (2), 04/13/2025 20:52 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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