Vulnerability Name:

CVE-2009-2505 (CCN-54438)

Assigned:2009-12-08
Published:2009-12-08
Updated:2018-10-12
Summary: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."
CVSS v3 Severity:10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
7.4 High (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
7.4 High (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-287
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2009-2505

Source: CCN
Type: SA37579
Microsoft Windows Internet Authentication Service Vulnerability

Source: CCN
Type: SECTRACK ID: 1023291
Microsoft Internet Authentication Service Bugs Let Remote Authenticated Users Execute Arbitrary Code or Gain Privileges of the Target User

Source: CCN
Type: Microsoft Security Bulletin MS09-071
Vulnerabilities in Internet Authentication Service Could Allow Remote Code Execution (974318)

Source: CCN
Type: BID-37197
Microsoft Protected Extensible Authentication Protocol Memory Corruption Vulnerability

Source: SECTRACK
Type: UNKNOWN
1023291

Source: CERT
Type: US Government Resource
TA09-342A

Source: MS
Type: UNKNOWN
MS09-071

Source: XF
Type: UNKNOWN
ms-ias-code-execution(54438)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:6063

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:*:sp2:x64:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:microsoft:windows_vista:-:sp2:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:itanium:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:6063
    V
    		Internet Authentication Service Memory Corruption Vulnerability
    2014-03-17
    BACK
    microsoft windows server 2008 * sp2
    microsoft windows server 2008 sp2 x32
    microsoft windows server 2008 sp2 x64
    microsoft windows vista * sp2
    microsoft windows vista * sp2
    microsoft windows vista - sp2
    microsoft windows vista - sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008