dovecot denials

[Vadym Chepkov]

Hi,

man dovecot_selinux doesn't show any booleans and yet I get the following AVC, which in my opinion should be allowed:

----
time->Mon Jul 23 00:10:03 2012
type=SYSCALL msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 key=(null)
type=AVC msg=audit(1343002203.689:153237): avc:  denied  { write } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676 scontext=system_u:system_r:dovecot_t:s0 tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir
----
time->Mon Jul 23 00:10:03 2012
type=SYSCALL msg=audit(1343002203.689:153238): arch=40000003 syscall=5 success=yes exit=10 a0=8a8dc90 a1=8002 a2=0 a3=bfe7f998 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 key=(null)
type=AVC msg=audit(1343002203.689:153238): avc:  denied  { open } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 scontext=system_u:system_r:dovecot_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
type=AVC msg=audit(1343002203.689:153238): avc:  denied  { read write } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 scontext=system_u:system_r:dovecot_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
----

selinux-policy-targeted-3.7.19-155.el6_3.noarch

Have I missed something?

Thanks,
Vadym

[Daniel J Walsh]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 07/24/2012 06:54 AM, Vadym Chepkov wrote:
> Hi,
>
> man dovecot_selinux doesn't show any booleans and yet I get the following
> AVC, which in my opinion should be allowed:
>
> ---- time->Mon Jul 23 00:10:03 2012 type=SYSCALL
> msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes
> exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265 pid=22329
> auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505
> sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap"
> exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0
> key=(null) type=AVC msg=audit(1343002203.689:153237): avc:  denied  { write
> } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676
> scontext=system_u:system_r:dovecot_t:s0
> tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir ---- time->Mon
> Jul 23 00:10:03 2012 type=SYSCALL msg=audit(1343002203.689:153238):
> arch=40000003 syscall=5 success=yes exit=10 a0=8a8dc90 a1=8002 a2=0
> a3=bfe7f998 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505
> euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none)
> ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap"
> subj=system_u:system_r:dovecot_t:s0 key=(null) type=AVC
> msg=audit(1343002203.689:153238): avc:  denied  { open } for  pid=22329
> comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322
> scontext=system_u:system_r:dovecot_t:s0
> tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file type=AVC
> msg=audit(1343002203.689:153238): avc:  denied  { read write } for
> pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322
> scontext=system_u:system_r:dovecot_t:s0
> tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file ----
>
> selinux-policy-targeted-3.7.19-155.el6_3.noarch
>
> Have I missed something?
>
> Thanks, Vadym
>
> -- selinux mailing list [e-mail] 
> https://admin.fedoraproject.org/mailman/listinfo/selinux

Please open a bugzilla. Since this is allowed in Fedora it will likely be
allowed in an Update.
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[Vadym Chepkov]

On Jul 24, 2012, at 9:37 AM, Daniel J Walsh wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 07/24/2012 06:54 AM, Vadym Chepkov wrote:
> > Hi,
> >
> > man dovecot_selinux doesn't show any booleans and yet I get the following
> > AVC, which in my opinion should be allowed:
> >
> > ---- time->Mon Jul 23 00:10:03 2012 type=SYSCALL
> > msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes
> > exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265 pid=22329
> > auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505
> > sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap"
> > exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0
> > key=(null) type=AVC msg=audit(1343002203.689:153237): avc:  denied  { write
> > } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676
> > scontext=system_u:system_r:dovecot_t:s0
> > tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir ---- time->Mon
> > Jul 23 00:10:03 2012 type=SYSCALL msg=audit(1343002203.689:153238):
> > arch=40000003 syscall=5 success=yes exit=10 a0=8a8dc90 a1=8002 a2=0
> > a3=bfe7f998 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505
> > euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none)
> > ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap"
> > subj=system_u:system_r:dovecot_t:s0 key=(null) type=AVC
> > msg=audit(1343002203.689:153238): avc:  denied  { open } for  pid=22329
> > comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322
> > scontext=system_u:system_r:dovecot_t:s0
> > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file type=AVC
> > msg=audit(1343002203.689:153238): avc:  denied  { read write } for
> > pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322
> > scontext=system_u:system_r:dovecot_t:s0
> > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file ----
> >
> > selinux-policy-targeted-3.7.19-155.el6_3.noarch
> >
> > Have I missed something?
> >
> > Thanks, Vadym
> >
> > -- selinux mailing list [e-mail] 
> > https://admin.fedoraproject.org/mailman/listinfo/selinux
>
> Please open a bugzilla. Since this is allowed in Fedora it will likely be
> allowed in an Update.

It looks like somebody already did, should have checked bugzilla first, sorry.

https://bugzilla.redhat.com/show_bug.cgi?id=836241

Thanks,
Vadym

[Daniel J Walsh]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 07/24/2012 09:44 AM, Vadym Chepkov wrote:
> On Jul 24, 2012, at 9:37 AM, Daniel J Walsh wrote:
> > -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
> >
> > On 07/24/2012 06:54 AM, Vadym Chepkov wrote:
> > > Hi,
> > >
> > > man dovecot_selinux doesn't show any booleans and yet I get the
> > > following AVC, which in my opinion should be allowed:
> > >
> > > ---- time->Mon Jul 23 00:10:03 2012 type=SYSCALL 
> > > msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes 
> > > exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265
> > > pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505
> > > egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" 
> > > exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 
> > > key=(null) type=AVC msg=audit(1343002203.689:153237): avc:  denied  {
> > > write } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676 
> > > scontext=system_u:system_r:dovecot_t:s0 
> > > tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir ----
> > > time->Mon Jul 23 00:10:03 2012 type=SYSCALL
> > > msg=audit(1343002203.689:153238): arch=40000003 syscall=5 success=yes
> > > exit=10 a0=8a8dc90 a1=8002 a2=0 a3=bfe7f998 items=0 ppid=1265 pid=22329
> > > auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505
> > > sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap"
> > > exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0
> > > key=(null) type=AVC msg=audit(1343002203.689:153238): avc:  denied  {
> > > open } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1
> > > ino=1046322 scontext=system_u:system_r:dovecot_t:s0 
> > > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file type=AVC 
> > > msg=audit(1343002203.689:153238): avc:  denied  { read write } for 
> > > pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 
> > > scontext=system_u:system_r:dovecot_t:s0 
> > > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file ----
> > >
> > > selinux-policy-targeted-3.7.19-155.el6_3.noarch
> > >
> > > Have I missed something?
> > >
> > > Thanks, Vadym
> > >
> > > -- selinux mailing list [e-mail] 
> > > https://admin.fedoraproject.org/mailman/listinfo/selinux
> >
> > Please open a bugzilla. Since this is allowed in Fedora it will likely
> > be allowed in an Update.
>
> It looks like somebody already did, should have checked bugzilla first,
> sorry.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=836241
>
> Thanks, Vadym

Yup, Miroslav seems to have beat me to it with a fix also.  Try to packages on
people.redhat.com/dwalsh/SELinux/RHEL6
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> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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[Vadym Chepkov]

On Jul 24, 2012, at 9:47 AM, Daniel J Walsh wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 07/24/2012 09:44 AM, Vadym Chepkov wrote:
> > On Jul 24, 2012, at 9:37 AM, Daniel J Walsh wrote:
> > > -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
> > >
> > > On 07/24/2012 06:54 AM, Vadym Chepkov wrote:
> > > > Hi,
> > > >
> > > > man dovecot_selinux doesn't show any booleans and yet I get the
> > > > following AVC, which in my opinion should be allowed:
> > > >
> > > > ---- time->Mon Jul 23 00:10:03 2012 type=SYSCALL 
> > > > msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes 
> > > > exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265
> > > > pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505
> > > > egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" 
> > > > exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 
> > > > key=(null) type=AVC msg=audit(1343002203.689:153237): avc:  denied  {
> > > > write } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676 
> > > > scontext=system_u:system_r:dovecot_t:s0 
> > > > tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir ----
> > > > time->Mon Jul 23 00:10:03 2012 type=SYSCALL
> > > > msg=audit(1343002203.689:153238): arch=40000003 syscall=5 success=yes
> > > > exit=10 a0=8a8dc90 a1=8002 a2=0 a3=bfe7f998 items=0 ppid=1265 pid=22329
> > > > auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505
> > > > sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap"
> > > > exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0
> > > > key=(null) type=AVC msg=audit(1343002203.689:153238): avc:  denied  {
> > > > open } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1
> > > > ino=1046322 scontext=system_u:system_r:dovecot_t:s0 
> > > > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file type=AVC 
> > > > msg=audit(1343002203.689:153238): avc:  denied  { read write } for 
> > > > pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 
> > > > scontext=system_u:system_r:dovecot_t:s0 
> > > > tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file ----
> > > >
> > > > selinux-policy-targeted-3.7.19-155.el6_3.noarch
> > > >
> > > > Have I missed something?
> > > >
> > > > Thanks, Vadym
> > > >
> > > > -- selinux mailing list [e-mail] 
> > > > https://admin.fedoraproject.org/mailman/listinfo/selinux
> > >
> > > Please open a bugzilla. Since this is allowed in Fedora it will likely
> > > be allowed in an Update.
> >
> > It looks like somebody already did, should have checked bugzilla first,
> > sorry.
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=836241
> >
> > Thanks, Vadym
>
> Yup, Miroslav seems to have beat me to it with a fix also.  Try to packages on
> people.redhat.com/dwalsh/SELinux/RHEL6

It seems dovecot is not the only victim though:

time->Mon Jul 23 11:32:21 2012
type=SYSCALL msg=audit(1343043141.734:159344): arch=40000003 syscall=5 success=yes exit=4 a0=8a04d98 a1=80c1 a2=1b7 a3=1b7 items=0 ppid=30970 pid=30974 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=12 fsgid=505 tty=(none) ses=4294967295 comm="procmail" exe="/usr/bin/procmail" subj=system_u:system_r:procmail_t:s0 key=(null)
type=AVC msg=audit(1343043141.734:159344): avc:  denied  { write open } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" dev=xvdb1 ino=1046397 scontext=system_u:system_r:procmail_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
type=AVC msg=audit(1343043141.734:159344): avc:  denied  { create } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" scontext=system_u:system_r:procmail_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
type=AVC msg=audit(1343043141.734:159344): avc:  denied  { add_name } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" scontext=system_u:system_r:procmail_t:s0 tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir
type=AVC msg=audit(1343043141.734:159344): avc:  denied  { write } for  pid=30974 comm="procmail" name="tmp" dev=xvdb1 ino=1045675 scontext=system_u:system_r:procmail_t:s0 tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir
----
time->Mon Jul 23 11:32:21 2012
type=SYSCALL msg=audit(1343043141.735:159345): arch=40000003 syscall=9 success=yes exit=0 a0=8a04d98 a1=8a055a0 a2=8a055a0 a3=8a055c3 items=0 ppid=30970 pid=30974 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=12 fsgid=505 tty=(none) ses=4294967295 comm="procmail" exe="/usr/bin/procmail" subj=system_u:system_r:procmail_t:s0 key=(null)
type=AVC msg=audit(1343043141.735:159345): avc:  denied  { link } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" dev=xvdb1 ino=1046397 scontext=system_u:system_r:procmail_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
----
time->Mon Jul 23 11:32:21 2012
type=SYSCALL msg=audit(1343043141.736:159346): arch=40000003 syscall=10 success=yes exit=0 a0=8a04d98 a1=8a055a0 a2=0 a3=8a055c3 items=0 ppid=30970 pid=30974 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=12 fsgid=505 tty=(none) ses=4294967295 comm="procmail" exe="/usr/bin/procmail" subj=system_u:system_r:procmail_t:s0 key=(null)
type=AVC msg=audit(1343043141.736:159346): avc:  denied  { unlink } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" dev=xvdb1 ino=1046397 scontext=system_u:system_r:procmail_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
type=AVC msg=audit(1343043141.736:159346): avc:  denied  { remove_name } for  pid=30974 comm="procmail" name="1343043141.30974_0.vps2" dev=xvdb1 ino=1046397 scontext=system_u:system_r:procmail_t:s0 tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir
----

I will try to see if this fixes the problem too.

Thanks,
Vadym

[Miroslav Grepl]

On 07/24/2012 10:54 AM, Vadym Chepkov wrote:
> Hi,
>
> man dovecot_selinux doesn't show any booleans and yet I get the following AVC, which in my opinion should be allowed:
>
> time->Mon Jul 23 00:10:03 2012
> type=SYSCALL msg=audit(1343002203.689:153237): arch=40000003 syscall=33 success=yes exit=0 a0=8a472c0 a1=2 a2=bb2d84 a3=8a73418 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 key=(null)
> type=AVC msg=audit(1343002203.689:153237): avc:  denied  { write } for  pid=22329 comm="imap" name="cur" dev=xvdb1 ino=1045676 scontext=system_u:system_r:dovecot_t:s0 tcontext=unconfined_u:object_r:mail_home_rw_t:s0 tclass=dir
>
> time->Mon Jul 23 00:10:03 2012
> type=SYSCALL msg=audit(1343002203.689:153238): arch=40000003 syscall=5 success=yes exit=10 a0=8a8dc90 a1=8002 a2=0 a3=bfe7f998 items=0 ppid=1265 pid=22329 auid=4294967295 uid=505 gid=505 euid=505 suid=505 fsuid=505 egid=505 sgid=505 fsgid=505 tty=(none) ses=4294967295 comm="imap" exe="/usr/libexec/dovecot/imap" subj=system_u:system_r:dovecot_t:s0 key=(null)
> type=AVC msg=audit(1343002203.689:153238): avc:  denied  { open } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 scontext=system_u:system_r:dovecot_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
> type=AVC msg=audit(1343002203.689:153238): avc:  denied  { read write } for  pid=22329 comm="imap" name="dovecot.index.log" dev=xvdb1 ino=1046322 scontext=system_u:system_r:dovecot_t:s0 tcontext=system_u:object_r:mail_home_rw_t:s0 tclass=file
>
> selinux-policy-targeted-3.7.19-155.el6_3.noarch
>
> Have I missed something?
>
> Thanks,
> Vadym
>
> --
> selinux mailing list
> [e-mail]
> https://admin.fedoraproject.org/mailman/listinfo/selinux

Try the latest RHEL6 policy from

http://people.redhat.com/dwalsh/SELinux/RHEL6/noarch/