Bug 1321787
| Summary: | SELinux prevents prosody from name_bind to TCP port 5582 | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | 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: | 7.3 | CC: | lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.13.1-81.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-11-04 02:46:10 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: | |||
Following AVC appeared after switching the prosody_t domain to permissive:
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type=SOCKADDR msg=audit(03/29/2016 10:17:27.831:517) : saddr=inet host:127.0.0.1 serv:5582
type=SYSCALL msg=audit(03/29/2016 10:17:27.831:517) : arch=x86_64 syscall=bind success=yes exit=0 a0=0x7 a1=0x23fdc20 a2=0x10 a3=0x5 items=0 ppid=1678 pid=1681 auid=unset uid=prosody gid=prosody euid=prosody suid=prosody fsuid=prosody egid=prosody sgid=prosody fsgid=prosody tty=(none) ses=unset comm=lua exe=/usr/bin/lua subj=system_u:system_r:prosody_t:s0 key=(null)
type=AVC msg=audit(03/29/2016 10:17:27.831:517) : avc: denied { name_bind } for pid=1681 comm=lua src=5582 scontext=system_u:system_r:prosody_t:s0 tcontext=system_u:object_r:unreserved_port_t:s0 tclass=tcp_socket
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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-2016-2283.html |
Description of problem: * SELinux denials appear when following line in /etc/prosody/prosody.cfg.lua is commented out: --"admin_telnet"; -- Opens telnet console interface on localhost port 5582 Version-Release number of selected component (if applicable): prosody-0.9.10-1.el7.x86_64 selinux-policy-3.13.1-67.el7.noarch selinux-policy-devel-3.13.1-67.el7.noarch selinux-policy-doc-3.13.1-67.el7.noarch selinux-policy-minimum-3.13.1-67.el7.noarch selinux-policy-mls-3.13.1-67.el7.noarch selinux-policy-sandbox-3.13.1-67.el7.noarch selinux-policy-targeted-3.13.1-67.el7.noarch How reproducible: always Steps to Reproduce: # grep admin_telnet /etc/prosody/prosody.cfg.lua "admin_telnet"; -- Opens telnet console interface on localhost port 5582 # setsebool -P nis_enabled off # service prosody start Actual results (enforcing mode): ---- type=SOCKADDR msg=audit(03/29/2016 09:16:56.516:196) : saddr=inet host:127.0.0.1 serv:5582 type=SYSCALL msg=audit(03/29/2016 09:16:56.516:196) : arch=x86_64 syscall=bind success=no exit=-13(Permission denied) a0=0x7 a1=0x24f8380 a2=0x10 a3=0x5 items=0 ppid=25592 pid=25593 auid=unset uid=prosody gid=prosody euid=prosody suid=prosody fsuid=prosody egid=prosody sgid=prosody fsgid=prosody tty=(none) ses=unset comm=lua exe=/usr/bin/lua subj=system_u:system_r:prosody_t:s0 key=(null) type=AVC msg=audit(03/29/2016 09:16:56.516:196) : avc: denied { name_bind } for pid=25593 comm=lua src=5582 scontext=system_u:system_r:prosody_t:s0 tcontext=system_u:object_r:unreserved_port_t:s0 tclass=tcp_socket ---- type=SOCKADDR msg=audit(03/29/2016 09:16:56.521:197) : saddr=inet6 host:::1 serv:5582 type=SYSCALL msg=audit(03/29/2016 09:16:56.521:197) : arch=x86_64 syscall=bind success=no exit=-13(Permission denied) a0=0x7 a1=0x24faa40 a2=0x1c a3=0x6 items=0 ppid=25592 pid=25593 auid=unset uid=prosody gid=prosody euid=prosody suid=prosody fsuid=prosody egid=prosody sgid=prosody fsgid=prosody tty=(none) ses=unset comm=lua exe=/usr/bin/lua subj=system_u:system_r:prosody_t:s0 key=(null) type=AVC msg=audit(03/29/2016 09:16:56.521:197) : avc: denied { name_bind } for pid=25593 comm=lua src=5582 scontext=system_u:system_r:prosody_t:s0 tcontext=system_u:object_r:unreserved_port_t:s0 tclass=tcp_socket ---- Expected results: * no AVCs