Bug 1392525
| Summary: | SELinux prevents ftpdctl from unlinking its socket | |||
|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Milos Malik <mmalik> | |
| Component: | selinux-policy | Assignee: | Lukas Vrabec <lvrabec> | |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> | |
| Severity: | medium | Docs Contact: | ||
| Priority: | medium | |||
| Version: | 6.9 | CC: | dwalsh, lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde | |
| Target Milestone: | rc | |||
| Target Release: | --- | |||
| Hardware: | All | |||
| OS: | Linux | |||
| Whiteboard: | ||||
| Fixed In Version: | selinux-policy-3.7.19-301.el6 | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1395156 (view as bug list) | Environment: | ||
| Last Closed: | 2017-03-21 09:49:17 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Embargoed: | ||||
Caught in permissive mode:
----
type=PATH msg=audit(11/07/2016 17:48:47.556:907) : item=1 name=/tmp/ftp.cl280603 inode=248776 dev=fc:03 mode=socket,700 ouid=root ogid=root rdev=00:00 obj=unconfined_u:object_r:ftpdctl_tmp_t:s0 nametype=DELETE
type=PATH msg=audit(11/07/2016 17:48:47.556:907) : item=0 name=/tmp/ inode=131075 dev=fc:03 mode=dir,sticky,777 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:tmp_t:s0 nametype=PARENT
type=CWD msg=audit(11/07/2016 17:48:47.556:907) : cwd=/root
type=SYSCALL msg=audit(11/07/2016 17:48:47.556:907) : arch=x86_64 syscall=unlink success=yes exit=0 a0=0x7fff03d3a592 a1=0x7fff03d3a520 a2=0x6f a3=0x7fff03d3a290 items=2 ppid=262706 pid=280603 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts0 ses=91 comm=ftpdctl exe=/usr/bin/ftpdctl subj=unconfined_u:unconfined_r:ftpdctl_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(11/07/2016 17:48:47.556:907) : avc: denied { unlink } for pid=280603 comm=ftpdctl name=ftp.cl280603 dev=vda3 ino=248776 scontext=unconfined_u:unconfined_r:ftpdctl_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:ftpdctl_tmp_t:s0 tclass=sock_file
----
# ftpdctl -v
ftpdctl: contacting server using '/var/run/proftpd/proftpd.sock'
ftpdctl: error contacting server using '/var/run/proftpd/proftpd.sock': Connection refused
#
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2017-0627.html |
Description of problem: Version-Release number of selected component (if applicable): proftpd-1.3.3g-10.el6.x86_64 selinux-policy-3.7.19-299.el6.noarch selinux-policy-doc-3.7.19-299.el6.noarch selinux-policy-minimum-3.7.19-299.el6.noarch selinux-policy-mls-3.7.19-299.el6.noarch selinux-policy-targeted-3.7.19-299.el6.noarch How reproducible: * always Steps to Reproduce: 0. get a RHEL-6.8 machine (targeted policy is active) # service proftpd stop Shutting down proftpd: [ OK ] # ftpdctl -v ftpdctl: contacting server using '/var/run/proftpd/proftpd.sock' ftpdctl: error contacting server using '/var/run/proftpd/proftpd.sock': Permission denied # ausearch -m avc -m user_avc -m selinux_err -m user_selinux_err -i -ts recent Actual results: ---- type=PATH msg=audit(11/07/2016 17:08:36.490:743) : item=1 name=/tmp/ftp.cl263788 inode=248769 dev=fc:03 mode=socket,700 ouid=root ogid=root rdev=00:00 obj=unconfined_u:object_r:ftpdctl_tmp_t:s0 nametype=DELETE type=PATH msg=audit(11/07/2016 17:08:36.490:743) : item=0 name=/tmp/ inode=131075 dev=fc:03 mode=dir,sticky,777 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:tmp_t:s0 nametype=PARENT type=CWD msg=audit(11/07/2016 17:08:36.490:743) : cwd=/root type=SYSCALL msg=audit(11/07/2016 17:08:36.490:743) : arch=x86_64 syscall=unlink success=no exit=-13(Permission denied) a0=0x7fffd6029152 a1=0x7fffd60290e0 a2=0x6f a3=0x7fffd6028e50 items=2 ppid=25833 pid=263788 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts1 ses=19 comm=ftpdctl exe=/usr/bin/ftpdctl subj=unconfined_u:unconfined_r:ftpdctl_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(11/07/2016 17:08:36.490:743) : avc: denied { unlink } for pid=263788 comm=ftpdctl name=ftp.cl263788 dev=vda3 ino=248769 scontext=unconfined_u:unconfined_r:ftpdctl_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:ftpdctl_tmp_t:s0 tclass=sock_file ---- Expected results: * no SELinux denials