CVE-2009-2505

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Published Dec 9, 2009 CVSS 2.0 · 10.0 Critical EPSS 31.6% KEV · Not listed

Description

The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication requests, which allows remote attackers to execute arbitrary code via crafted structures in a malformed request, aka "Internet Authentication Service Memory Corruption Vulnerability."

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_server_2008::sp2:itanium:::::
	cpe:2.3:o:microsoft:windows_server_2008:sp2:x32::::::
	cpe:2.3:o:microsoft:windows_server_2008:sp2:x64::::::
	cpe:2.3:o:microsoft:windows_vista::sp2::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 31.6% (31.611% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securitytracker.com/id?1023291
http://www.us-cert.gov/cas/techalerts/TA09-342A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-071
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6063

History

No history.

Subscriptions

Microsoft Windows Server 2008 Windows Vista

Weaknesses

CWE-287

Sources

CVE record Updated: Aug 7, 2024, 5:52 AM

Status: PUBLISHED
Assigner: microsoft
Published: Dec 9, 2009, 6:00 PM
Updated: Aug 7, 2024, 5:52 AM
Reserved: Jul 17, 2009, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:09 PM

Status: Modified
Published: Dec 9, 2009, 6:30 PM
Modified: Jun 16, 2026, 11:09 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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