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CVE-2009-2505

N/A
Published: December 9, 2009 at 06:00 PM UTC
Updated: June 16, 2026 at 11:09 PM UTC
2 products affected across 1 vendorWindows Server 2008Windows Vista

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Severity
N/A
Exploit prediction
EPSS 32%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

VDB Entryx_refsource_SECTRACK
Source: [email protected]
http://www.securitytracker.com/id?1023291
Third Party Advisoryx_refsource_CERTUS Government Resource
Source: [email protected]
http://www.us-cert.gov/cas/techalerts/TA09-342A.html
Vendor Advisoryx_refsource_MS
Source: [email protected]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-071
VDB EntrySignaturex_refsource_OVAL
Source: [email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6063

CVSS

10HIGH[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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