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10.0
HIGH CVSS 2.0
CVE-2009-2505
Microsoft Internet Authentication Service MS-CHAP v2 PEAP Authentication Memory Corruption Vulnerability
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."

INFO

Published Date :

Dec. 9, 2009, 6:30 p.m.

Last Modified :

April 9, 2025, 12:30 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2009-2505 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_server_2008
2 Microsoft windows_vista
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
The identified vulnerability can be remediated by applying the latest security patches from Microsoft.
  • Apply the appropriate patches released by Microsoft to address the vulnerability.
  • Ensure systems are updated with the latest security patches.
Public PoC/Exploit Available at Github

CVE-2009-2505 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2009-2505.

URL Resource
http://www.securitytracker.com/id?1023291
http://www.us-cert.gov/cas/techalerts/TA09-342A.html US Government Resource
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
http://www.securitytracker.com/id?1023291
http://www.us-cert.gov/cas/techalerts/TA09-342A.html US Government Resource
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-2505 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-2505 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
derrickhorton/programmatic-vulnerability-remediations

None

Shell PowerShell

Updated: 7 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 8, 2025, 11:02 p.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-2505 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2009-2505 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id?1023291
    Added Reference http://www.us-cert.gov/cas/techalerts/TA09-342A.html
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-071
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6063
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 12, 2018

    Action Type Old Value New Value
    Removed Reference http://www.microsoft.com/technet/security/Bulletin/MS09-071.mspx [Patch, Vendor Advisory]
    Added Reference https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-071 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 19, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6063 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6063 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 10, 2009

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 10
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

47.85 }} -13.17%

score

0.97465

percentile