7.5 - CVE-2009-2511

Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.

Informations
Name	CVE-2009-2511	First vendor Publication	2009-10-14
Vendor	Cve	Last vendor Modification	2023-12-07

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score	7.5	Attack Range	Network
Cvss Impact Score	6.4	Attack Complexity	Low
Cvss Expoit Score	10	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Integer overflow in the CryptoAPI component in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows man-in-the-middle attackers to spoof arbitrary SSL servers and other entities via an X.509 certificate that has a malformed ASN.1 Object Identifier (OID) and was issued by a legitimate Certification Authority, aka "Integer Overflow in X.509 Object Identifiers Vulnerability."

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2511

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-189	Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:6186

Oval ID:	oval:org.mitre.oval:def:6186
Title:	Integer Overflow in X.509 Object Identifiers Vulnerability
Description:	Integer overflow in the CryptoAPI component in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows man-in-the-middle attackers to spoof arbitrary SSL servers and other entities via an X.509 certificate that has a malformed ASN.1 Object Identifier (OID) and was issued by a legitimate Certification Authority, aka "Integer Overflow in X.509 Object Identifiers Vulnerability."
Family:	windows	Class:	vulnerability
Reference(s):	CVE-2009-2511	Version:	8
Platform(s):	Microsoft Windows 2000 Microsoft Windows XP Microsoft Windows Vista Microsoft Windows 7 Microsoft Windows Server 2003 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2	Product(s):	Microsoft ASN.1 Library
Definition Synopsis:
Windows 2000 Microsoft Windows 2000 is installed AND the version of msasn1.dll is less than 5.0.2195.7334 OR Windows XP x86 Microsoft Windows XP (32-bit) is installed AND the version of msasn1.dll is less than 5.1.2600.3624 OR Windows XP x86 Microsoft Windows XP (32-bit) is installed AND the version of msasn1.dll is less than 5.1.2600.5875 OR Vulnerable Microsoft Windows XP x64, Windows Server 2003 x86/x64/ia64 Operating System Check Microsoft Windows XP x64 is installed AND Microsoft Windows Server 2003 (32-bit) is installed AND Microsoft Windows Server 2003 (x64) is installed AND Microsoft Windows Server 2003 (ia64) Gold is installed AND the version of msasn1.dll is less than 5.2.3790.4584 OR Windows Vista x86/x64 Operating System Check Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND GDR or LDR Service branch the version of msasn1.dll is less than 6.0.6000.16922 OR LDR the version of msasn1.dll is greater than or equal 6.0.6000.20000 AND the version of msasn1.dll is less than 6.0.6000.21122 OR Windows Vista x86/x64, Windows Server 2008 x86/x64/ia64 Operating System Check Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND Microsoft Windows Server 2008 (32-bit) is installed AND Microsoft Windows Server 2008 (64-bit) is installed AND Microsoft Windows Server 2008 (ia-64) is installed AND GDR or LDR Service branch the version of msasn1.dll is less than 6.0.6001.18326 OR LDR the version of msasn1.dll is greater than or equal 6.0.6001.22000 AND the version of msasn1.dll is less than 6.0.6001.22515 OR Windows Vista x86/x64, Windows Server 2008 x86/x64/ia64 Operating System Check Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND Microsoft Windows Server 2008 (32-bit) is installed AND Microsoft Windows Server 2008 (64-bit) is installed AND Microsoft Windows Server 2008 (ia-64) is installed AND GDR or LDR Service branch the version of msasn1.dll is less than 6.0.6002.18106 OR LDR the version of msasn1.dll is greater than or equal 6.0.6002.22000 AND the version of msasn1.dll is less than 6.0.6002.22218 OR Windows 7 x86/x64, Windows Server 2008 R2 x86/x64/ia64 Operating System Check Microsoft Windows 7 (32-bit) is installed AND Microsoft Windows 7 x64 Edition is installed AND Microsoft Windows Server 2008 R2 x64 Edition is installed AND Microsoft Windows Server 2008 R2 Itanium-Based Edition is installed AND GDR or LDR Service branch the version of msasn1.dll is less than 6.1.7600.16415 OR LDR the version of msasn1.dll is greater than or equal 6.1.7600.20000 AND the version of msasn1.dll is less than 6.1.7600.20518

CPE : Common Platform Enumeration

Type	Description	Count
Os	Microsoft Windows 2000 cpe:2.3:o:microsoft:windows_2000::sp4::::::*	1
Os	Microsoft Windows 7 cpe:2.3:o:microsoft:windows_7:-:::::::*	1
Os	Microsoft Windows Server 2003 cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*	1
Os	Microsoft Windows Server 2008 cpe:2.3:o:microsoft:windows_server_2008:::itanium:::::* cpe:2.3:o:microsoft:windows_server_2008:::x64:::::* cpe:2.3:o:microsoft:windows_server_2008::r2:x64::::: cpe:2.3:o:microsoft:windows_server_2008::r2:itanium::::: cpe:2.3:o:microsoft:windows_server_2008::sp2:x64::::: cpe:2.3:o:microsoft:windows_server_2008::sp2:itanium::::: cpe:2.3:o:microsoft:windows_server_2008:::x32:::::* cpe:2.3:o:microsoft:windows_server_2008::sp2:x32:::::	8
Os	Microsoft Windows Vista cpe:2.3:o:microsoft:windows_vista::sp1::::::* cpe:2.3:o:microsoft:windows_vista::sp2::::::* cpe:2.3:o:microsoft:windows_vista:::x64:::::*	3
Os	Microsoft Windows Xp cpe:2.3:o:microsoft:windows_xp::sp2::::::* cpe:2.3:o:microsoft:windows_xp::sp2:professional_x64::::: cpe:2.3:o:microsoft:windows_xp::sp3::::::*	3

OpenVAS Exploits

Date	Description
2009-10-14	Name : Microsoft Windows CryptoAPI X.509 Spoofing Vulnerabilities (974571) File : nvt/secpod_ms09-056.nasl
2009-10-06	Name : Microsoft IE CA SSL Certificate Security Bypass Vulnerability - Oct09 File : nvt/gb_ms_ie_ssl_certi_sec_bypass_vuln_oct09.nasl

Open Source Vulnerability Database (OSVDB)

Id	Description
58856	Microsoft Windows CryptoAPI X.509 Certificate Object Identifier Handling Over...

Information Assurance Vulnerability Management (IAVM)

Date	Description
2009-10-15	IAVM : 2009-A-0095 - Multiple Vulnerabilities in Microsoft Windows CryptoAPI Severity : Category I - VMSKEY : V0021760

Snort® IPS/IDS

Date	Description
2014-01-10	Microsoft Windows CryptoAPI common name spoofing attempt RuleID : 24490 - Revision : 4 - Type : OS-WINDOWS
2014-01-10	Microsoft Windows CryptoAPI common name spoofing attempt RuleID : 24489 - Revision : 4 - Type : OS-WINDOWS
2014-01-10	Microsoft Windows CryptoAPI common name spoofing attempt RuleID : 24488 - Revision : 4 - Type : OS-WINDOWS
2014-01-10	Microsoft Windows CryptoAPI ASN.1 integer overflow attempt RuleID : 16181 - Revision : 10 - Type : OS-WINDOWS

Nessus® Vulnerability Scanner

Date	Description
2009-12-01	Name : A client application installed on the remote Windows host is affected by a ma... File : citrix_ica_client_ssl_mitm.nasl - Type : ACT_GATHER_INFO
2009-10-13	Name : Certain identity validation methods may be bypassed allowing impersonation. File : smb_nt_ms09-056.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source	Url
CERT	http://www.us-cert.gov/cas/techalerts/TA09-286A.html
MS	https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09...
OVAL	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova...

Alert History

If you want to see full details history, please login or register.

Date	Informations
2023-12-07 21:28:05	Multiple Updates
2021-05-04 12:09:50	Multiple Updates
2021-04-22 01:10:11	Multiple Updates
2020-05-23 00:24:03	Multiple Updates
2019-02-26 17:19:32	Multiple Updates
2018-10-31 00:19:57	Multiple Updates
2018-10-13 00:22:50	Multiple Updates
2017-09-19 09:23:18	Multiple Updates
2016-08-31 12:01:50	Multiple Updates
2016-08-05 12:02:10	Multiple Updates
2016-06-28 17:46:14	Multiple Updates
2016-04-26 18:58:52	Multiple Updates
2014-02-17 10:50:51	Multiple Updates
2014-01-19 21:26:02	Multiple Updates
2013-11-11 12:38:22	Multiple Updates
2013-05-10 23:54:13	Multiple Updates

Global Informations

Type	Count
CWE ID(s)	1
Oval ID(s)	1
CPE ID(s)	17
Sources(s)	3
osvdb(s)	1
Openvas Exploit(s)	2
IAVM(s)	1
Snort® Rule(s)	4
Nessus® Exploit(s)	2

	Related
10	TA09-286A
7.5	MS09-056
Info : listing not affected by your CVSS Env Score

Same Subject	Severity
Login to view 2 more Alert(s)