CVE-2007-3902

Microsoft Internet Explorer setExpression Code Execution Vulnerability

Severity Score

8.8

*CVSS v3

Exploit Likelihood

52.7%

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use-after-free vulnerability in the CRecalcProperty function in mshtml.dll in Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code by calling the setExpression method and then modifying the outerHTML property of an HTML element, one variant of "Uninitialized Memory Corruption Vulnerability."

Una vulnerabilidad de uso de memoria previamente liberada en la función CRecalcProperty en la biblioteca mshtml.dll en Microsoft Internet Explorer versiones 5.01 hasta 7, permite a atacantes remotos ejecutar código arbitrario mediante el llamado método setExpression y, a continuación, modificando la propiedad outerHTML de un elemento HTML, una variante de "Uninitialized Memory Corruption Vulnerability”.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific flaw exists in the CRecalcProperty function in mshtml.dll. When rendering HTML after calling the setExpression methods, followed by a modification of the outerHTML property of a programatically created element. The vulnerable code dereferences a previously freed memory location which can be leveraged to execute arbitrary code.

*Credits: Anonymous

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2007-07-19 CVE Reserved
2007-12-11 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-189: Numeric Errors
CWE-399: Resource Management Errors

CAPEC

References (12)

URL	Tag	Source
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=631	Third Party Advisory
http://securitytracker.com/id?1019078	Vdb Entry
http://www.securityfocus.com/archive/1/484887/100/0/threaded	Mailing List
http://www.securityfocus.com/bid/26506	Vdb Entry
http://www.us-cert.gov/cas/techalerts/TA07-345A.html	Third Party Advisory
http://www.zerodayinitiative.com/advisories/ZDI-07-073.html	X_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/38713	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mit...	Signature

1 - 8 of 8

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/28036	2021-07-23
http://www.securityfocus.com/archive/1/485268/100/0/threaded	2021-07-23
http://www.vupen.com/english/advisories/2007/4184	2021-07-23
https://docs.microsoft.com/en-us/security-updates/securitybull...	2021-07-23

1 - 4 of 4

Affected Vendors, Products, and Versions (30)

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Ie Search vendor "Microsoft" for product "Ie"				5.x Search vendor "Microsoft" for product "Ie" and version "5.x"		-		Affected
Microsoft Search vendor "Microsoft"		Ie Search vendor "Microsoft" for product "Ie"				6.0 Search vendor "Microsoft" for product "Ie" and version "6.0"		sp1		Affected
Microsoft Search vendor "Microsoft"		Ie Search vendor "Microsoft" for product "Ie"				6.0 Search vendor "Microsoft" for product "Ie" and version "6.0"		sp2		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5 Search vendor "Microsoft" for product "Internet Explorer" and version "5"		-		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.01 Search vendor "Microsoft" for product "Internet Explorer" and version "5.01"		-		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.1 Search vendor "Microsoft" for product "Internet Explorer" and version "5.1"		-		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.01 Search vendor "Microsoft" for product "Internet Explorer" and version "5.01"		sp1		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.01 Search vendor "Microsoft" for product "Internet Explorer" and version "5.01"		sp2		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.01 Search vendor "Microsoft" for product "Internet Explorer" and version "5.01"		sp3		Affected
Microsoft Search vendor "Microsoft"		Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"				5.01 Search vendor "Microsoft" for product "Internet Explorer" and version "5.01"		sp4		Affected

1 - 10 of 30