Symantecâ¢ Security Gateways Reference Guide - Sawmill

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362 IDS eventsSignaturesAffected: Apache Software Foundation Tomcat 4.0.3False Positives: None known.ReferencesCAN-2002-0682Security Focus BID: 5193Info2www CGI Command ExecBase Event:Details:Response:INFO2WWW_CGI_CMD_EXECThe info2www script allows HTTP access to information stored in GNU EMACS Info Nodes. Thisscript fails to properly parse input and is used to execute commands on the server withpermissions of the Web server, by passing commands as part of a variable. Potential consequencesof a successful exploitation involve anything the Web server process has permissions to do,including possibly Web site defacement.Version 1.2 of the script does not suffer from this issue. Upgrade to the latest version.Affected: Roar Smith info2www 1.0 to 1.1.False Positives: None known.ReferencesCVE-1999-0266Security Focus BID: 1995MSSQL NULL Packet DOSBase Event:Details:Response:MSSQL_NULL_PACKET_DOSIf Microsoft SQL Server 7.0 receives a TDS header with three or more NULL bytes as data it willcrash. The crash will generate an event in the log with ID 17055 “fatal exceptionEXCEPTION_ACCESS VIOLATION”.Contact Microsoft for the latest updates.Affected: Microsoft SQL Server 7.0False Positives: None known.ReferencesMicrosoft Security Bulletin: MS-059
IDS eventsSignatures363MSSQL StackOverflowBase Event:Details:Response:MSSQL_STACKOVERFLOWA vulnerability was discovered in Microsoft SQL Server 2000 that could allow remote attackers togain access to the target hosts.A problem in the SQL Server Resolution Service makes it possible for a remote user to executearbitrary code on a vulnerable host. An attacker could exploit a stack-based overflow in theresolution service, by sending a maliciously crafted UDP packet to port 1434.UDP port 1434 is designated as the Microsoft SQL Monitor port. Clients connect to this port todiscover how connections to the SQL Server should be made. When the SQL Server receives apacket starting with byte 0x04, followed by four “A” characters, the SQL server attempts to open thefollowing registry key:HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft SQLServer\AAAA\MSSQLServer\CurrentVersion.If a large number of bytes are appended to the packet, the buffer overflow condition is triggered,and as a result, the attacker can overwrite the key areas in memory and obtain control over the SQLServer process. Custom crafting the exploit code to execute the arbitrary instructions in thesecurity context of the SQL Server may be possible. This action may provide a remote attacker withlocal access on the underlying host.The W32.SQLEXP.Worm Microsoft SQL Server exploited this vulnerability.Contact Microsoft for the latest updates.Affected: Microsoft Data Engine 2000Microsoft SQL Server 2000 SP2Microsoft SQL Server 2000 SP1Microsoft SQL Server 2000False Positives: None known.ReferencesCAN-2002-0649Security Focus BID: 5311Symantec Security Response: W32.SQLExp.WormMicrosoft Security Bulletin: MS-039WuFTPd Heap OverflowBase Event:Details:Response:A remote user can cause a heap overflow in wu-ftpd by sending a specially crafted sequence ofcommands to it. This vulnerability affected a large number of UNIX vendors.Contact your vendor for a patch.Affected: Versions of wu-ftpd prior to 2.6.2.False Positives: This signature can produce false positives when users give commands with tilde (~) characters.References Security Focus BID: 3581CVE-2001-0550Red Hat Advisory
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Symantec Security GatewaysReference
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Licensing and registrationContactin
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6 ContentsMail server record ......
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8 ContentsChapter 9Chapter 10Append
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10 Contents
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12 Introducing Symantec security ga
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14 Introducing Symantec security ga
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16 Network security overviewSecurit
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24 Network security overviewManagem
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32 Security gateway fundamentalsRou
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38 Security gateway fundamentalsDom
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44 Understanding accessNetwork prot
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46 Understanding accessNetwork prot
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48 Understanding accessProxiesProxi
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50 Understanding accessProxiesExamp
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52 Understanding accessProxiesThe D
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54 Understanding accessProxiesThe H
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56 Understanding accessProxiesThe N
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58 Understanding accessProxiesThe S
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60 Understanding accessProxiesTable
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62 Understanding accessService grou
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64 Understanding accessRulesTable 4
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66 Understanding accessRulesWhen a
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68 Controlling service accessFilter
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70 Controlling service accessFilter
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72 Controlling service accessConten
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78 Controlling user accessAuthentic
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86 Controlling user accessTime Peri
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88 Understanding VPN tunnelsTunnels
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90 Understanding VPN tunnelsTunnels
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92 Understanding VPN tunnelsIPsec s
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100 Understanding VPN tunnelsGlobal
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102 Monitoring security gateway tra
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114 Preventing attacksAntivirus (ap
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116 Preventing attacksIntrusion det
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118 Preventing attacksLogical netwo
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120 Preventing attacksAddress trans
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126 Preventing attacksAnti-spam mea
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128 Ensuring availabilitySymantec
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130 Ensuring availabilityStateful f
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132 Ensuring availabilityCluster ad
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134 Log messagesInformational messa
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158 Log messagesNotice messages (20
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176 Log messagesWarning messages (3
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230 Log messagesError messages (400
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256 Log messagesAlert messages (500
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260 Log messagesCritical messages (
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270 Log messagesEmergency messages
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272 Log messagesEmergency messages
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274 IDS eventsAbout IDS/IPS events
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296 IDS eventsDenial-of-ServiceTabl
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298 IDS eventsDenial-of-ServiceResp
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302 IDS eventsIntrusion attemptsUnk
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306 IDS eventsIntrusion attemptsDNS
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310 IDS eventsIntrusion attemptsAff
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510 IndexIP address spoofing 21Man-
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512 IndexHH.323alias report 105prox
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514 IndexRTSP 57service parameters
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516 Index
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