Windows 2000 Security Vulnerabilities - CVSS Score 5 - 6

CVE-1999-0755

Windows NT RRAS and RAS clients cache a user's password even if the user has not selected the "Save password" option.

CVE-1999-0819

NTMail does not disable the VRFY command, even if the administrator has explicitly disabled it.

CVE-2000-0073

Buffer overflow in Microsoft Rich Text Format (RTF) reader allows attackers to cause a denial of service via a malformed control word.

CVE-2000-0331

Buffer overflow in Microsoft command processor (CMD.EXE) for Windows NT and Windows 2000 allows a local user to cause a denial of service via a long environment variable, aka the "Malformed Environment Variable" vulnerability.

CVE-2000-0404

The CIFS Computer Browser service allows remote attackers to cause a denial of service by sending a ResetBrowser frame to the Master Browser, aka the "ResetBrowser Frame" vulnerability.

CVE-2000-0416

NTMail 5.x allows network users to bypass the NTMail proxy restrictions by redirecting their requests to NTMail's web configuration server.

CVE-2000-0544

Windows NT and Windows 2000 hosts allow a remote attacker to cause a denial of service via malformed DCE/RPC SMBwriteX requests that contain an invalid data length.

CVE-2000-0580

Windows 2000 Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros to various TCP and UDP ports, which significantly increases the CPU utilization.

CVE-2000-0581

Windows 2000 Telnet Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros, which causes the server to crash.

CVE-2000-0673

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by sending a spoofed Name Conflict or Name Release datagram, aka the "NetBIOS Name Server Protocol Spoofing" vulnerability.

CVE-2000-1111

Telnet Service for Windows 2000 Professional does not properly terminate incomplete connection attempts, which allows remote attackers to cause a denial of service by connecting to the server and not providing any input.

CVE-2000-1227

Windows NT 4.0 and Windows 2000 hosts allow remote attackers to cause a denial of service (unavailable connections) by sending multiple SMB SMBnegprots requests but not reading the response that is sent back.

CVE-2001-0003

Web Extender Client (WEC) in Microsoft Office 2000, Windows 2000, and Windows Me does not properly process Internet Explorer security settings for NTLM authentication, which allows attackers to obtain NTLM credentials and possibly obtain the password, aka the "Web Client NTLM Authentication" vulner...

CVE-2001-0014

Remote Data Protocol (RDP) in Windows 2000 Terminal Service does not properly handle certain malformed packets, which allows remote attackers to cause a denial of service, aka the "Invalid RDP Data" vulnerability.

CVE-2001-0018

Windows 2000 domain controller in Windows 2000 Server, Advanced Server, or Datacenter Server allows remote attackers to cause a denial of service via a flood of malformed service requests.

CVE-2001-0237

Memory leak in Microsoft 2000 domain controller allows remote attackers to cause a denial of service by repeatedly connecting to the Kerberos service and then disconnecting without sending any data.

CVE-2001-0345

Microsoft Windows 2000 telnet service allows attackers to prevent idle Telnet sessions from timing out, causing a denial of service by creating a large number of idle sessions.

CVE-2001-0346

Handle leak in Microsoft Windows 2000 telnet service allows attackers to cause a denial of service by starting a large number of sessions and terminating them.

CVE-2001-0348

Microsoft Windows 2000 telnet service allows attackers to cause a denial of service (crash) via a long logon command that contains a backspace.

CVE-2001-0509

Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.

CVE-2001-0543

Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.

CVE-2001-0659

Buffer overflow in IrDA driver providing infrared data exchange on Windows 2000 allows attackers who are physically close to the machine to cause a denial of service (reboot) via a malformed IrDA packet.

CVE-2001-0663

Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.

CVE-2001-0879

Format string vulnerability in the C runtime functions in SQL Server 7.0 and 2000 allows attackers to cause a denial of service.

CVE-2001-0951

Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.

CVE-2001-1244

Multiple TCP implementations could allow remote attackers to cause a denial of service (bandwidth and CPU exhaustion) by setting the maximum segment size (MSS) to a very small number and requesting large amounts of data, which generates more packets with less TCP-level data that amplify network tra...

CVE-2001-1451

Memory leak in the SNMP LAN Manager (LANMAN) MIB extension for Microsoft Windows 2000 before SP3, when the Print Spooler is not running, allows remote attackers to cause a denial of service (memory consumption) via a large number of GET or GETNEXT requests.

CVE-2002-0055

SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.

CVE-2002-0224

The MSDTC (Microsoft Distributed Transaction Service Coordinator) for Microsoft Windows 2000, Microsoft IIS 5.0 and SQL Server 6.5 through SQL 2000 0.0 allows remote attackers to cause a denial of service (crash or hang) via malformed (random) input.

CVE-2002-0597

LANMAN service on Microsoft Windows 2000 allows remote attackers to cause a denial of service (CPU/memory exhaustion) via a stream of malformed data to microsoft-ds port 445.

CVE-2002-0699

Unknown vulnerability in the Certificate Enrollment ActiveX Control in Microsoft Windows 98, Windows 98 Second Edition, Windows Millennium, Windows NT 4.0, Windows 2000, and Windows XP allow remote attackers to delete digital certificates on a user's system via HTML.

CVE-2002-0725

NTFS file system in Windows NT 4.0 and Windows 2000 SP2 allows local attackers to hide file usage activities via a hard link to the target file, which causes the link to be recorded in the audit trail instead of the target file.

CVE-2002-0863

Remote Data Protocol (RDP) version 5.0 in Microsoft Windows 2000 and RDP 5.1 in Windows XP does not encrypt the checksums of plaintext session data, which could allow a remote attacker to determine the contents of encrypted sessions via sniffing, aka "Weak Encryption in RDP Protocol."

CVE-2002-0864

The Remote Data Protocol (RDP) version 5.1 in Microsoft Windows XP allows remote attackers to cause a denial of service (crash) when Remote Desktop is enabled via a PDU Confirm Active data packet that does not set the Pattern BLT command, aka "Denial of Service in Remote Desktop."

CVE-2002-1256

The SMB signing capability in the Server Message Block (SMB) protocol in Microsoft Windows 2000 and Windows XP allows attackers to disable the digital signing settings in an SMB session to force the data to be sent unsigned, then inject data into the session without detection, e.g. by modifying gro...

CVE-2002-1258

Two vulnerabilities in Microsoft Virtual Machine (VM) up to and including build 5.0.3805, as used in Internet Explorer and other applications, allow remote attackers to read files via a Java applet with a spoofed location in the CODEBASE parameter in the APPLET tag, possibly due to a parsing error.

CVE-2002-1325

Microsoft Virtual Machine (VM) build 5.0.3805 and earlier allows remote attackers to determine a local user's username via a Java applet that accesses the user.dir system property, aka "User.dir Exposure Vulnerability."

CVE-2002-1561

The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.

CVE-2002-1712

Microsoft Windows 2000 allows remote attackers to cause a denial of service (memory consumption) by sending a flood of empty TCP/IP packets with the ACK and FIN bits set to the NetBIOS port (TCP/139), as demonstrated by stream3.

CVE-2002-2077

The DCOM client in Windows 2000 before SP3 does not properly clear memory before sending an "alter context" request, which may allow remote attackers to obtain sensitive information by sniffing the session.

CVE-2003-0001

Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.

CVE-2003-0227

The logging capability for unicast and multicast transmissions in the ISAPI extension for Microsoft Windows Media Services in Microsoft Windows NT 4.0 and 2000, nsiislog.dll, allows remote attackers to cause a denial of service in Internet Information Server (IIS) and execute arbitrary code via a c...

CVE-2003-0661

The NetBT Name Service (NBNS) for NetBIOS in Windows NT 4.0, 2000, XP, and Server 2003 may include random memory in a response to a NBNS query, which could allow remote attackers to obtain sensitive information.

CVE-2003-0663

Unknown vulnerability in the Local Security Authority Subsystem Service (LSASS) in Windows 2000 domain controllers allows remote attackers to cause a denial of service via a crafted LDAP message.

CVE-2003-0807

Buffer overflow in the COM Internet Services and in the RPC over HTTP Proxy components for Microsoft Windows NT Server 4.0, NT 4.0 Terminal Server Edition, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service via a crafted request.

CVE-2003-0813

A multi-threaded race condition in the Windows RPC DCOM functionality with the MS03-039 patch installed allows remote attackers to cause a denial of service (crash or reboot) by causing two threads to process the same RPC request, which causes one thread to use memory after it has been freed, a dif...

CVE-2003-0824

Unknown vulnerability in the SmartHTML interpreter (shtml.dll) in Microsoft FrontPage Server Extensions 2000 and 2002, and Microsoft SharePoint Team Services 2002, allows remote attackers to cause a denial of service (response failure) via a certain request.

CVE-2004-0116

An Activation function in the RPCSS Service involved with DCOM activation for Microsoft Windows 2000, XP, and 2003 allows remote attackers to cause a denial of service (memory consumption) via an activation request with a large length field.

CVE-2004-0120

The Microsoft Secure Sockets Layer (SSL) library, as used in Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service via malformed SSL messages.

CVE-2004-0202

IDirectPlay4 Application Programming Interface (API) of Microsoft DirectPlay 7.0a thru 9.0b, as used in Windows Server 2003 and earlier allows remote attackers to cause a denial of service (application crash) via a malformed packet.