CVE-2012-1877 : Microsoft Internet Explorer 6 through 9 does not properly handle objects in memo

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Title Element Change Remote Code Execution Vulnerability."

Published 2012-06-12 22:55:02

Updated 2023-12-07 18:38:57

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2012-1877

Microsoft » Internet Explorer » Version: 6
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 2003 Server » Update SP2
When used together with: Microsoft » Windows 2003 Server » Update SP2 Itanium Edition
When used together with: Microsoft » Windows Server 2003 » Update SP2
When used together with: Microsoft » Windows Xp » Update SP3
When used together with: Microsoft » Windows Xp » Version: N/A Update SP2 X64 Edition
Microsoft » Internet Explorer » Version: 7
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 2003 Server » Update SP2
When used together with: Microsoft » Windows 2003 Server » Update SP2 Itanium Edition
When used together with: Microsoft » Windows Server 2003 » Update SP2
When used together with: Microsoft » Windows Server 2008 » Update SP2 X64 Edition
When used together with: Microsoft » Windows Server 2008 » Update SP2 X86 Edition
When used together with: Microsoft » Windows Server 2008 » Version: N/A Update SP2 Itanium Edition
When used together with: Microsoft » Windows Vista » Update SP2
When used together with: Microsoft » Windows Vista » Version: N/A Update SP2
When used together with: Microsoft » Windows Xp » Update SP3
When used together with: Microsoft » Windows Xp » Version: N/A Update SP2 X64 Edition
Microsoft » Internet Explorer » Version: 8
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 2003 Server » Update SP2
When used together with: Microsoft » Windows 7 » X86 Edition
When used together with: Microsoft » Windows 7 » Version: N/A
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1 X64 Edition
When used together with: Microsoft » Windows 7 » Version: N/A Update SP1 X86 Edition
When used together with: Microsoft » Windows Server 2003 » Update SP2
When used together with: Microsoft » Windows Server 2008 » Update R2 Itanium Edition
When used together with: Microsoft » Windows Server 2008 » Update R2 X64 Edition
When used together with: Microsoft » Windows Server 2008 » Update SP2 X64 Edition
When used together with: Microsoft » Windows Server 2008 » Update SP2 X86 Edition
When used together with: Microsoft » Windows Vista » Update SP2
When used together with: Microsoft » Windows Xp » Update SP3
When used together with: Microsoft » Windows Xp » Version: N/A Update SP2 X64 Edition
Microsoft » Internet Explorer » Version: 9
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 7 » X64 Edition
When used together with: Microsoft » Windows 7 » X86 Edition
When used together with: Microsoft » Windows 7 » Update SP1 X64 Edition
When used together with: Microsoft » Windows 7 » Update SP1 X86 Edition
When used together with: Microsoft » Windows Server 2008 » Update SP2 X64 Edition
When used together with: Microsoft » Windows Server 2008 » Update SP2 X86 Edition
When used together with: Microsoft » Windows Server 2008 » Version: R2 X64 Edition
When used together with: Microsoft » Windows Vista » Update SP2

Exploit prediction scoring system (EPSS) score for CVE-2012-1877

EPSS FAQ

54.93%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 98 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-1877

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
9.3	HIGH	AV:N/AC:M/Au:N/C:C/I:C/A:C	8.6	10.0	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete

CWE ids for CVE-2012-1877

CWE-94 Improper Control of Generation of Code ('Code Injection')

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-1877

http://www.us-cert.gov/cas/techalerts/TA12-164A.html

Microsoft Updates for Multiple Vulnerabilities | CISA
US Government Resource

CVEs referencing this url
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037

Microsoft Security Bulletin MS12-037 - Critical | Microsoft Docs

CVEs referencing this url
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15472

Repository / Oval Repository

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Vulnerability Details : CVE-2012-1877

Products affected by CVE-2012-1877

Exploit prediction scoring system (EPSS) score for CVE-2012-1877

CVSS scores for CVE-2012-1877

CWE ids for CVE-2012-1877

References for CVE-2012-1877