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Re: segfault issue

From: cihan.ayyildiz () securitas com tr
Date: Mon, 7 Mar 2011 15:04:06 +0200
Hi ;

I have used all so rules, the list below

# dynamic library rules
 include $SO_RULE_PATH/bad-traffic.rules
 include $SO_RULE_PATH/chat.rules
 include $SO_RULE_PATH/dos.rules
 include $SO_RULE_PATH/exploit.rules
 include $SO_RULE_PATH/icmp.rules
 include $SO_RULE_PATH/imap.rules
 include $SO_RULE_PATH/misc.rules
 include $SO_RULE_PATH/multimedia.rules
 include $SO_RULE_PATH/netbios.rules
 include $SO_RULE_PATH/nntp.rules
 include $SO_RULE_PATH/p2p.rules
 include $SO_RULE_PATH/smtp.rules
 include $SO_RULE_PATH/sql.rules
 include $SO_RULE_PATH/web-activex.rules
 include $SO_RULE_PATH/web-client.rules
 include $SO_RULE_PATH/web-iis.rules
 include $SO_RULE_PATH/web-misc.rules

Snort is up and running normally. This issue occurs randomly.   (maybe
something triggered)

regards.

Cihan AYYILDIZ
Bilgi İşlem Uzmanı  /  IT Specialist


if you learn Red Hat, you'll know Red Hat, but if you learn Slackware,
you'll know Linux



From:   Joel Esler <jesler () sourcefire com>
To:     cihan.ayyildiz () securitas com tr
Cc:     snort-users () lists sourceforge net
Date:   07.03.2011 14:52
Subject:        Re: [Snort-users] segfault issue



(follow up to your offlist email, yes I did receive it.)

Which SO rules are you using on gentoo?

Does Snort run for awhile and then quit?  or does it quit shortly after
startup?

Joel

2011/3/6 <cihan.ayyildiz () securitas com tr>
      Hi Again ;

      Yes,  my shared VRT rules are correct (2.9.0.3 also im a subscriber)
      And i
      compiled them with my own parameters (because of gentoo path
      difference)
      then dump with my conf successfully.

      dump printout below

      Running in Rule Dump mode

             --== Initializing Snort ==--
      Initializing Output Plugins!
      Initializing Preprocessors!
      Initializing Plug-ins!
      Parsing Rules file "/etc/snort/snort.conf"
      PortVar 'HTTP_PORTS' defined :  [ 80 311 591 593 901 1220 1414 1830
      2301
      2381 2809 3128 3702 5250 7001 7777 7779 8000 8008 8028 8080 8088 8118
      8123
      8180 8243 8280 8888 9090:9091 9443 9999 11371 ]
      PortVar 'SHELLCODE_PORTS' defined :  [ 0:79 81:65535 ]
      PortVar 'ORACLE_PORTS' defined :  [ 1024:65535 ]
      PortVar 'SSH_PORTS' defined :  [ 22 ]
      WARNING /etc/snort/snort.conf(88) Adapter is in Passive Mode. Hence
      switching policy mode to tap.
      Detection:
        Search-Method = AC-Full-Q
         Split Any/Any group = enabled
         Search-Method-Optimizations = enabled
         Maximum pattern length = 20
      Tagged Packet Limit: 256
      Loading dynamic
      engine /usr/lib64/snort_dynamicengine/libsf_engine.so...
      done
      Loading all dynamic detection libs
      from /usr/lib64/snort_dynamicrules...
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/web-misc.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/multimedia.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/smtp.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/snmp.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/exploit.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/misc.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/dos.so...
      done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/web-client.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/p2p.so...
      done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/netbios.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/nntp.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/bad-traffic.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/imap.so... done
       Loading dynamic detection
      library /usr/lib64/snort_dynamicrules/chat.so... done
       Finished Loading all dynamic detection libs
      from /usr/lib64/snort_dynamicrules
      Loading all dynamic preprocessor libs
      from /usr/lib64/snort_dynamicpreprocessor...
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_smtp_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_ssh_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_dce2_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_dns_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_ssl_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_sdf_preproc.so...
      done
       Loading dynamic preprocessor
      library /usr/lib64/snort_dynamicpreprocessor/libsf_ftptelnet_preproc.so...

      done
       Finished Loading all dynamic preprocessor libs
      from /usr/lib64/snort_dynamicpreprocessor
      Log directory = /var/log/snort
      WARNING: ip4 normalizations disabled because not inlineWARNING: tcp
      normalizations disabled because not inlineWARNING: icmp4
      normalizations
      disabled because not inlineFrag3 global config:
         Max frags: 65536
         Fragment memory cap: 4194304 bytes
      Frag3 engine config:
         Target-based policy: WINDOWS
         Fragment timeout: 180 seconds
         Fragment min_ttl:   1
         Fragment Problems: 1
         Overlap Limit:     10
         Min fragment Length:     100
      Stream5 global config:
         Track TCP sessions: ACTIVE
         Max TCP sessions: 1048576
         Memcap (for reassembly packet storage): 1073741824
         Track UDP sessions: ACTIVE
         Max UDP sessions: 131072
         Track ICMP sessions: INACTIVE
         Log info if session memory consumption exceeds 1048576
         Send up to 0 active responses
      Stream5 TCP Policy config:
         Reassembly Policy: WINDOWS
         Timeout: 86400 seconds
         Limit on TCP Overlaps: 255
         Options:
             Require 3-Way Handshake: YES
             3-Way Handshake Timeout: 8600
             Detect Anomalies: YES
         Reassembly Ports:
           21 client (Footprint)
           22 client (Footprint)
           23 client (Footprint)
           25 client (Footprint)
           42 client (Footprint)
           53 client (Footprint)
           79 client (Footprint)
           80 client (Footprint) server (Footprint)
           109 client (Footprint)
           110 client (Footprint)
           111 client (Footprint)
           113 client (Footprint)
           119 client (Footprint)
           135 client (Footprint)
           136 client (Footprint)
           137 client (Footprint)
           139 client (Footprint)
           143 client (Footprint)
           161 client (Footprint)
           311 client (Footprint) server (Footprint)
      Stream5 UDP Policy config:
         Timeout: 180 seconds
      PerfMonitor config:
         Time:           300 seconds
         Flow Stats:     INACTIVE
         Flow IP Stats:  INACTIVE
         Event Stats:    INACTIVE
         Max Perf Stats: INACTIVE
         Console Mode:   INACTIVE
         File Mode:      /etc/snort/snort.stats
         SnortFile Mode: INACTIVE
         Packet Count:   10000
         Dump Summary:   No
         Max file size:  2147483648
      HttpInspect Config:
         GLOBAL CONFIG
           Max Pipeline Requests:    0
           Inspection Type:          STATELESS
           Detect Proxy Usage:       NO
           IIS Unicode Map Filename: /etc/snort/unicode.map
           IIS Unicode Map Codepage: 1252
           Max Gzip Memory: 838860
           Max Gzip Sessions: 20
           Gzip Compress Depth: 20480
           Gzip Decompress Depth: 20480
         DEFAULT SERVER CONFIG:
           Server profile: All
           Ports: 80 311 591 593 901 1220 1414 1830 2301 2381 2809 3128
      3702
      5250 7001 7777 7779 8000 8008 8028 8080 8088 8118 8123 8180 8243 8280
      8888
      9090 9091 9443 9999 11371
           Server Flow Depth: 0
           Client Flow Depth: 0
           Max Chunk Length: 500000
           Max Header Field Length: 750
           Max Number Header Fields: 100
           Inspect Pipeline Requests: YES
           URI Discovery Strict Mode: NO
           Allow Proxy Usage: NO
           Disable Alerting: NO
           Oversize Dir Length: 500
           Only inspect URI: NO
           Normalize HTTP Headers: NO
           Inspect HTTP Cookies: YES
           Inspect HTTP Responses: YES
           Extract Gzip from responses: YES
           Unlimited decompression of gzip data from responses: YES
           Normalize HTTP Cookies: NO
           Enable XFF and True Client IP: NO
           Extended ASCII code support in URI: NO
           Ascii: YES alert: NO
           Double Decoding: YES alert: NO
           %U Encoding: YES alert: YES
           Bare Byte: YES alert: NO
           Base36: OFF
           UTF 8: YES alert: NO
           IIS Unicode: YES alert: NO
           Multiple Slash: YES alert: NO
           IIS Backslash: YES alert: NO
           Directory Traversal: YES alert: NO
           Web Root Traversal: YES alert: NO
           Apache WhiteSpace: YES alert: NO
           IIS Delimiter: YES alert: NO
           IIS Unicode Map: GLOBAL IIS UNICODE MAP CONFIG
           Non-RFC Compliant Characters: 0x00 0x01 0x02 0x03 0x04 0x05 0x06
      0x07
           Whitespace Characters: 0x09 0x0b 0x0c 0x0d
      rpc_decode arguments:
         Ports to decode RPC on: 111 32770 32771 32772 32773 32774 32775
      32776
      32777 32778 32779
         alert_fragments: INACTIVE
         alert_large_fragments: INACTIVE
         alert_incomplete: INACTIVE
         alert_multiple_requests: INACTIVE
      Portscan Detection Config:
         Detect Protocols:  TCP UDP ICMP IP
         Detect Scan Type:  portscan portsweep decoy_portscan
      distributed_portscan
         Sensitivity Level: Medium
         Memcap (in bytes): 10000000
         Number of Nodes:   31347
      Dumping dynamic rules...
      Dumping dynamic rules for Library chat 1.0.1
      Dumping dynamic rules for Library imap 1.0.1
      Dumping dynamic rules for Library bad-traffic 1.0.1
      Dumping dynamic rules for Library nntp 1.0.1
      Dumping dynamic rules for Library netbios 1.0.1
      Dumping dynamic rules for Library p2p 1.0.1
      Dumping dynamic rules for Library web-client 1.0.1
      Dumping dynamic rules for Library dos 1.0.1
      Dumping dynamic rules for Library misc 1.0.1
      Dumping dynamic rules for Library exploit 1.0.1
      Dumping dynamic rules for Library snmp 1.0.1
      Dumping dynamic rules for Library smtp 1.0.1
      Dumping dynamic rules for Library multimedia 1.0.1
      Dumping dynamic rules for Library web-misc 1.0.1
       Finished dumping dynamic rules.
      Snort exiting

      Cihan AYYILDIZ
      Bilgi İşlem Uzmanı  /  IT Specialist
      Sistem & Ağ Yöneticisi  /  System & Network Administrator

      Securitas Güvenlik Hizmetleri / Securitas Security Services Turkey
      E-mail : cihan.ayyildiz () securitas com tr
      Ofis / Office Phone : +90.312.473.59.90 / 114
      Cep / Mobile : +90.532.450.18.13        VPN : 2225

      if you learn Red Hat, you'll know Red Hat, but if you learn
      Slackware,
      you'll know Linux



      From:   Joel Esler <jesler () sourcefire com>
      To:     cihan.ayyildiz () securitas com tr
      Cc:     snort-users () lists sourceforge net
      Date:   07.03.2011 02:54
      Subject:        Re: [Snort-users] segfault issue



      We received your bug report as well.  Thank you.

      Are you, by chance, using Shared Object rules from the VRT?  And if
      you are
      using Shared Object rules, are you sure you are using the correct
      ones for
      2.9.0.3?

      If not, then we'll need a good backtrace of the segfault.

      Check out docs/BUGS in the Snort tarball in order to get us a core
      from
      Snort.

      Joel

      2011/3/6 <cihan.ayyildiz () securitas com tr>

           Hi All ;

           I have an error like below and crashed the snort....

           kernel: snort[1191]: segfault at 1065a9d32 ip 00007eff29836143
      sp
           00007fff62456a08 error 6 in libc-2.11.2.so[7eff297b5000+150000]


           my os

           Linux  2.6.36-gentoo-r5 #1 SMP Fri Mar 4 20:14:56 EET 2011
      x86_64
           Intel(R)
           Xeon(R) CPU E5620 @ 2.40GHz GenuineIntel GNU/Linux

           my version


             ,,_     -*> Snort! <*-
            o"  )~   Version 2.9.0.3 (Build 98)
             ''''    By Martin Roesch & The Snort Team:
           http://www.snort.org/snort/snort-team
                     Copyright (C) 1998-2010 Sourcefire, Inc., et al.
                     Using libpcap version 1.1.1
                     Using PCRE version: 7.9 2009-04-11
                     Using ZLIB version: 1.2.3

           i have emerged snort from portage tree

           which is that

           [ebuild   R   ] net-analyzer/snort-2.9.0.3
           USE="decoder-preprocessor-rules
           dynamicplugin mysql threads zlib -active-response* -aruba -debug
           -flexresp3
           -gre -inline-init-failopen* -ipv6 -linux-smp-stats -mpls
      -normalizer*
           -odbc
           -perfprofiling -postgres -ppm -prelude -react*
      -reload-error-restart
           (-selinux) -static -targetbased" 0 kB


           im using in inline mod daq with NFQ

           regards.


           Cihan AYYILDIZ
           Bilgi İşlem Uzmanı  /  IT Specialist
           Sistem & Ağ Yöneticisi  /  System & Network Administrator

           Securitas Güvenlik Hizmetleri / Securitas Security Services
      Turkey
           E-mail : cihan.ayyildiz () securitas com tr
           Ofis / Office Phone : +90.312.473.59.90 / 114
           Cep / Mobile : +90.532.450.18.13        VPN : 2225

           if you learn Red Hat, you'll know Red Hat, but if you learn
           Slackware,
           you'll know Linux



      ------------------------------------------------------------------------------


           What You Don't Know About Data Connectivity CAN Hurt You
           This paper provides an overview of data connectivity, details
           its effect on application quality, and explores various
      alternative
           solutions. http://p.sf.net/sfu/progress-d2d
           _______________________________________________
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           Snort-users () lists sourceforge net
           Go to this URL to change user options or unsubscribe:
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           Snort-users list archive:
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      --
      Joel Esler | http://blog.snort.org | http://vrt-blog.snort.org |
      http://blog.clamav.net





--
Joel Esler | http://blog.snort.org | http://vrt-blog.snort.org |
http://blog.clamav.net



------------------------------------------------------------------------------
What You Don't Know About Data Connectivity CAN Hurt You
This paper provides an overview of data connectivity, details
its effect on application quality, and explores various alternative
solutions. http://p.sf.net/sfu/progress-d2d
_______________________________________________
Snort-users mailing list
Snort-users () lists sourceforge net
Go to this URL to change user options or unsubscribe:
https://lists.sourceforge.net/lists/listinfo/snort-users
Snort-users list archive:
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