Attachment 294177 Details for Bug 431803 – selinux_iptables-save.txt

selinux_iptables-save.txt

selinux_iptables-save.txt (text/plain), 3.61 KB, created by Andrew Farris on 2008-02-07 01:05:37 UTC

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Creator: Andrew Farris

Created: 2008-02-07 01:05:37 UTC

Size: 3.61 KB

patch

obsolete

>
>Summary:
>
>SELinux is preventing iptables-save (iptables_t) "write" to
>/etc/sysconfig/iptables (etc_t).
>
>Detailed Description:
>
>SELinux is preventing iptables-save (iptables_t) "write" to
>/etc/sysconfig/iptables (etc_t). The SELinux type etc_t, is a generic type for
>all files in the directory and very few processes (SELinux Domains) are allowed
>to write to this SELinux type. This type of denial usual indicates a mislabeled
>file. By default a file created in a directory has the gets the context of the
>parent directory, but SELinux policy has rules about the creation of
>directories, that say if a process running in one SELinux Domain (D1) creates a
>file in a directory with a particular SELinux File Context (F1) the file gets a
>different File Context (F2). The policy usually allows the SELinux Domain (D1)
>the ability to write, unlink, and append on (F2). But if for some reason a file
>(/etc/sysconfig/iptables) was created with the wrong context, this domain will
>be denied. The usual solution to this problem is to reset the file context on
>the target file, restorecon -v '/etc/sysconfig/iptables'. If the file context
>does not change from etc_t, then this is probably a bug in policy. Please file a
>bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against the
>selinux-policy package. If it does change, you can try your application again to
>see if it works. The file context could have been mislabeled by editing the file
>or moving the file from a different directory, if the file keeps getting
>mislabeled, check the init scripts to see if they are doing something to
>mislabel the file.
>
>Allowing Access:
>
>You can attempt to fix file context by executing restorecon -v
>'/etc/sysconfig/iptables'
>
>The following command will allow this access:
>
>restorecon '/etc/sysconfig/iptables'
>
>Additional Information:
>
>Source Context                unconfined_u:unconfined_r:iptables_t:SystemLow-
>                              SystemHigh
>Target Context                unconfined_u:object_r:etc_t
>Target Objects                /etc/sysconfig/iptables [ file ]
>Source                        iptables-save
>Source Path                   /sbin/iptables-save
>Port                          <Unknown>
>Host                          cirithungol
>Source RPM Packages           iptables-1.3.8-6.fc9
>Target RPM Packages           
>Policy RPM                    selinux-policy-3.2.6-5.fc9
>Selinux Enabled               True
>Policy Type                   targeted
>MLS Enabled                   True
>Enforcing Mode                Enforcing
>Plugin Name                   mislabeled_file
>Host Name                     cirithungol
>Platform                      Linux cirithungol 2.6.24-7.fc9 #1 SMP Mon Jan 28
>                              20:16:56 EST 2008 i686 i686
>Alert Count                   3
>First Seen                    Wed 06 Feb 2008 03:57:53 PM PST
>Last Seen                     Wed 06 Feb 2008 04:16:25 PM PST
>Local ID                      74fbc5b3-cada-4685-b4d6-dd2566e8f851
>Line Numbers                  
>
>Raw Audit Messages            
>
>host=cirithungol type=AVC msg=audit(1202343385.402:112776): avc:  denied  { write } for  pid=2281 comm="iptables-save" path="/etc/sysconfig/iptables" dev=sdb3 ino=363876 scontext=unconfined_u:unconfined_r:iptables_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:etc_t:s0 tclass=file
>
>host=cirithungol type=SYSCALL msg=audit(1202343385.402:112776): arch=40000003 syscall=11 success=yes exit=0 a0=8ddf570 a1=8ebcaa8 a2=8eadc08 a3=0 items=0 ppid=32098 pid=2281 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts2 comm="iptables-save" exe="/sbin/iptables-save" subj=unconfined_u:unconfined_r:iptables_t:s0-s0:c0.c1023 key=(null)
>
>
>

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