[Owasp-modsecurity-core-rule-set] More Squirrelmail Denials

Arthur Dent misc.lists at blueyonder.co.uk
Wed Jan 13 14:31:05 EST 2010


On Wed, 2010-01-13 at 14:20 -0500, Ryan Barnett wrote:
> On Wednesday 13 January 2010 02:18:26 pm Arthur Dent wrote:
> > On Wed, 2010-01-13 at 14:06 -0500, Ryan Barnett wrote:
> > > On Wednesday 13 January 2010 01:44:27 pm Arthur Dent wrote:
> > > > On Wed, 2010-01-13 at 13:31 -0500, Ryan Barnett wrote:
> > > > > On Wednesday 13 January 2010 01:17:35 pm Arthur Dent wrote:
> > >
> > > Try this -
> > >
> > > SecRule TX:'/^PHPIDS-30-(.*)-ARGS_NAMES:smaction/' "@contains ]["
> > > "chain,phase:2,t:none,nolog,pass"
> > >        SecRule MATCHED_VAR_NAME "TX\:(.*)" "capture,t:none,setvar:!tx.
> > > %{tx.1},setvar:tx.anomaly_score=-4"
> > 
> > Sorry Ryan...
> > 
> > 
> > --e104d910-H--
> > Message: Pattern match
> >  "^TX:phpids-(\d{1,2})-WEB_ATTACK/INJECTION-(\d)-(.*?)-(.*)$" at
> >  MATCHED_VAR_NAME. [file
> >  "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_41_phpids_filters.con
> > f"] [line "300"] [id "phpids-30"] [msg "Detects common XSS concatenation
> >  patterns 1/2"] [data "Matched Location:
> >  ARGS_NAMES:newidentities[1][signature] and Matched Payload:
> >  newidentities[1][signature]"] [severity "CRITICAL"] Message: Pattern match
> >  "^TX:phpids-(\d{1,2})-WEB_ATTACK/INJECTION-(\d)-(.*?)-(.*)$" at
> >  MATCHED_VAR_NAME. [file
> >  "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_41_phpids_filters.con
> > f"] [line "412"] [id "phpids-3"] [msg "Detects common XSS concatenation
> >  patterns 1/2"] [data "Matched Location:
> >  ARGS_NAMES:newidentities[1][signature] and Matched Payload:
> >  newidentities[1][signature]"] [severity "CRITICAL"] Message: Warning.
> >  Operator GE matched 5 at TX:anomaly_score. [file
> >  "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_60_correlation.conf"]
> >  [line "46"] [msg "Transactional Anomaly Score (score 32): Detects common
> >  XSS concatenation patterns 1/2"] Action: Intercepted (phase 2)
> > Apache-Handler: php5-script
> > Stopwatch: 1263410126373598 161946 (11302* 146799 -)
> > Producer: ModSecurity for Apache/2.5.10 (http://www.modsecurity.org/); core
> >  ruleset/2.0.4. Server: Apache/2.2.13 (Fedora)
> > 
> > I wish I knew how to do this myself but...
> > 
> > Thanks for your help so far...
> > 
> 
> Try this -
> 
> SecRule TX:'/^PHPIDS-30-(.*)-ARGS_NAMES/' "@contains ][" 
> "chain,phase:2,t:none,nolog,pass"
>        SecRule MATCHED_VAR_NAME "TX\:(.*)" "capture,t:none,setvar:!tx.
> %{tx.1},setvar:tx.anomaly_score=-4"

Still no joy I'm afraid...

--a5791e36-H--
Message: Pattern match "^TX:phpids-(\d{1,2})-WEB_ATTACK/INJECTION-(\d)-(.*?)-(.*)$" at MATCHED_VAR_NAME. [file "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_41_phpids_filters.conf"] [line "300"] [id "phpids-30"] [msg "Detects common XSS concatenation patterns 1/2"] [data "Matched Location: ARGS_NAMES:newidentities[1][signature] and Matched Payload: newidentities[1][signature]"] [severity "CRITICAL"]
Message: Pattern match "^TX:phpids-(\d{1,2})-WEB_ATTACK/INJECTION-(\d)-(.*?)-(.*)$" at MATCHED_VAR_NAME. [file "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_41_phpids_filters.conf"] [line "412"] [id "phpids-3"] [msg "Detects common XSS concatenation patterns 1/2"] [data "Matched Location: ARGS_NAMES:newidentities[1][signature] and Matched Payload: newidentities[1][signature]"] [severity "CRITICAL"]
Message: Warning. Operator GE matched 5 at TX:anomaly_score. [file "/etc/httpd/modsecurity.d/base_rules/modsecurity_crs_60_correlation.conf"] [line "46"] [msg "Transactional Anomaly Score (score 32): Detects common XSS concatenation patterns 1/2"]
Action: Intercepted (phase 2)
Apache-Handler: php5-script
Stopwatch: 1263410955616417 131367 (5935* 126523 -)
Producer: ModSecurity for Apache/2.5.10 (http://www.modsecurity.org/); core ruleset/2.0.4.
Server: Apache/2.2.13 (Fedora)

Sorry to put you to all this trouble ryan...

Mark





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