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Port 1433 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 1433 |
tcp |
ms-sql-s |
Microsoft SQL Server.
Vulnerabilities: Check CERT advisories CA-2002-22 - multiple vulnerabilities, CA-2003-04 MS SQL Server Worm. See also Microsoft Security Bulletin [MS02-061].
The Gaobot family of worms also exploit this port.
IBM License Metric Tool ports
1433 TCP - SQL server connection
9081 TCP - HTTPS web browser connections to server
50000 TCP - DB2 server connection
52311 TCP - BigFix clients and console connect to the server
Digispid.B.Worm [Symantec-2002-052108-5430-99] (2002.05.21) - worm that spreads to computers running MS SQL server and have blank SQL admin password. Uses port 1433/tcp.
W32.Kelvir.R [Symantec-2005-041214-1218-99] (2005.04.12) - worm that spreads through MSN messenger and drops a variant of W32.Spybot.Worm. It spreads using several known MS vulnerabilities, including MS security Bulletin [MS02-061] Microsoft SQL Server 2000 or MSDE 2000 audit using port 1434/udp.
Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attackers to execute arbitrary code via a long request to TCP port 1433, a.k.a. the "Hello" overflow.
References: [CVE-2002-1123], [BID-5411]
The database server in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, allows remote authenticated users to gain privileges via a request to TCP port 1433.
References: [CVE-2014-4684]
|
SG
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| 1433 |
tcp |
|
Microsoft SQL Server database management system Server (official) |
Wikipedia
|
| 1433 |
tcp |
trojan |
Voyager Alpha Force |
Trojans
|
| 80,4010,4011,1433 |
tcp |
applications |
Video Insight IP Server |
Portforward
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| 80,1433,4000,11111 |
tcp |
applications |
Video Insight Server |
Portforward
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| 1433 |
tcp,udp |
threat |
W32.Spybot |
Bekkoame
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| 1433 |
tcp,udp |
ms-sql-s |
Microsoft-SQL-Server |
IANA
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7 records found
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jump to:
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Related ports: 1030 1434 4022 7022 9081 50000 52311
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External Resources
SANS ISC: port 1433
Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify
a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly
used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol
on the Internet and any TCP/IP network. TCP enables two hosts
to establish a connection and exchange streams of data. TCP guarantees delivery of data
and that packets will be delivered in the same order in which they were sent.
Guaranteed communication/delivery is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol)
and facilitates the transmission of datagrams from one computer to applications on another computer,
but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received
the message to process any errors and verify correct delivery. UDP is often used with time-sensitive
applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them.
This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command.
We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software.
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