Microsoft Internet Explorer 7/8 on Win XP/Vista Document denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Internet Explorer 7/8 on Win XP/Vista. This affects an unknown part of the component Document Handler. The manipulation results in denial of service. This vulnerability was named CVE-2009-1335. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Internet Explorer 7/8 on Win XP/Vista (Web Browser). Affected is an unknown code block of the component Document 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 7 and 8 on Windows XP and Vista allows remote attackers to cause a denial of service (application hang) via a large document composed of unprintable characters, aka MSRC 9011jr.

The issue has been introduced in 07/27/2005. The weakness was presented 04/17/2009 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2009-1335 since 04/17/2009. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

A public exploit has been developed in Python. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1360 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116368 (Microsoft Internet Explorer File Download Denial of Service Vulnerability - Zero Day).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (50350), Exploit-DB (32902), SecurityFocus (BID 34478†) and Vulnerability Center (SBV-21703†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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
Programming Language: 🔍
Download: 🔍

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OpenVAS ID: 900337
OpenVAS Name: Microsoft Internet Explorer Denial of Service Vulnerability - Apr09
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2005 🔍
04/11/2009 +1354 days 🔍
04/17/2009 +6 days 🔍
04/17/2009 +0 days 🔍
04/17/2009 +0 days 🔍
04/17/2009 +0 days 🔍
04/27/2009 +10 days 🔍
03/17/2015 +2150 days 🔍
10/01/2025 +3851 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2009-1335 (🔍)
GCVE (CVE): GCVE-0-2009-1335
GCVE (VulDB): GCVE-100-47808
X-Force: 50350
SecurityFocus: 34478 - Microsoft Internet Explorer File Download Denial of Service Vulnerability
Vulnerability Center: 21703 - Microsoft Internet Explorer 7 and 8 Remote DoS Vulnerability via MSRC 9011jr, Medium

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

Entryinfo

Created: 03/17/2015 23:38
Updated: 10/01/2025 07:11
Changes: 03/17/2015 23:38 (59), 04/07/2017 12:09 (13), 04/18/2025 21:17 (19), 10/01/2025 07:11 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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