Re: Fedora 9 SELinux is preventing sendmail (exim_t) "getattr" to pipe (system_crond_t)

[Daniel J Walsh]

Frank Murphy wrote:
>  I think this has to do with exim trying to send logs?
>  Should I actually bug-report?
>  or just use the 
>  audit2allow -M local < /tmp/avcs
>  
>  Frank
>  
>  Summary:
>  
>  SELinux is preventing sendmail (exim_t) "getattr" to pipe
>  (system_crond_t).
>  
>  Detailed Description:
>  
>  SELinux denied access requested by sendmail. It is not expected that
>  this access
>  is required by sendmail and this access may signal an intrusion attempt.
>  It is
>  also possible that the specific version or configuration of the
>  application is
>  causing it to require additional access.
>  
>  Allowing Access:
>  
>  You can generate a local policy module to allow this access - see FAQ
>  (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can
>  disable
>  SELinux protection altogether. Disabling SELinux protection is not
>  recommended.
>  Please file a bug report
>  (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
>  against this package.
>  
>  Additional Information:
>  
>  Source Context                system_u:system_r:exim_t:s0
>  Target Context                system_u:system_r:system_crond_t:s0
>  Target Objects                pipe [ fifo_file ]
>  Source                        sendmail
>  Source Path                   /usr/sbin/exim
>  Port                          <Unknown>
>  Host                          frank-01
>  Source RPM Packages           exim-4.69-4.fc9
>  Target RPM Packages           
>  Policy RPM                    selinux-policy-3.3.1-69.fc9
>  Selinux Enabled               True
>  Policy Type                   targeted
>  MLS Enabled                   True
>  Enforcing Mode                Enforcing
>  Plugin Name                   catchall
>  Host Name                     frank-01
>  Platform                      Linux frank-01 2.6.25.6-55.fc9.i686 #1 SMP
>  Tue Jun
>                                10 16:27:49 EDT 2008 i686 i686
>  Alert Count                   3
>  First Seen                    Sat 28 Jun 2008 11:01:27 IST
>  Last Seen                     Sat 28 Jun 2008 11:01:27 IST
>  Local ID                      675df78e-7627-418a-8d0b-2f9943cd7033
>  Line Numbers                  
>  
>  Raw Audit Messages            
>  
>  host=frank-01 type=AVC msg=audit(1214647287.324:61): avc:  denied
>  { getattr } for  pid=16267 comm="sendmail" path="pipe:[94447]"
>  dev=pipefs ino=94447 scontext=system_u:system_r:exim_t:s0
>  tcontext=system_u:system_r:system_crond_t:s0 tclass=fifo_file
>  
>  host=frank-01 type=SYSCALL msg=audit(1214647287.324:61): arch=40000003
>  syscall=197 success=no exit=-13 a0=1 a1=bf812f64 a2=981ff4 a3=b805d84c
>  items=0 ppid=1 pid=16267 auid=4294967295 uid=93 gid=93 euid=93 suid=93
>  fsuid=93 egid=93 sgid=93 fsgid=93 tty=(none) ses=4294967295
>  comm="sendmail" exe="/usr/sbin/exim"
> subj=system_u:system_r:exim_t:s0
>  key=(null)
>  
>  
>  
>  --
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I will update policy to
allow this.  Although this probably does not
stop anything from functioning properly.