[Bug 1666203] Re: pam_tty_audit failed in pam_open_session
Hi Don-san. I tried test, but it not fixed. I tried building by source code of version 1.1.8-3.2ubuntu 2.2, it looks like the patch has not been applied. Can you check again? [VERIFICATION XENIAL] 1) Used vagrant init ubuntu/xenial64 to create new instance. 2) Used vagrant ssh to login. 3) Added "session required pam_tty_audit.so enable=*" at the top of /etc/pam.d/common-session 4) Tried to use in with new vagrant ssh session (package 1.1.8-3.2ubuntu2.1): DOES NOT WORK/SESSION CLOSES 5) Installed 1.1.8-3.2ubuntu2.2 from xenial-proposed 6) Tried to use in with new vagrant ssh session: DOES NOT WORK/SESSION CLOSES -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1666203] Re: pam_tty_audit failed in pam_open_session
** Description changed: Dear Maintainer. I found a bug in pam_tty_audit. When Using the pam_tty_audit with other pam modules(ex, pam_ldap), it failed in pam_open_session. It was triggared by use uninitialized variable in pam_tty_audit.c::pam_open_session. * Enviroments Ubuntu 14.04.4 LTS linux-image-3.16.0-71-generic3.16.0-71.92~14.04.1 libpam-ldap:amd64184-8.5ubuntu3 libpam-modules:amd641.1.8-1ubuntu2.2 Ubuntu 16.04.2 TLS linux-image-4.4.0-62-generic4.4.0-62.83 libpam-ldap:amd64184-8.7ubuntu1 libpam-modules:amd641.1.8-3.2ubuntu2 * Reproduction method 1. Install libpam-ldap. 2. Add the following to the end of /etc/pam.d/common-sessions session required pam_tty_audit.so enable=* open_only 3. When logging in with ssh etc., pam_tty_audit will fail and login fails * Solution (== 2018/04/16 Link updated ==) apply upstream patch - https://bit.ly/2BtN52W + https://github.com/linux-pam/linux-pam/commit/c5f829931a22c65feffee16570efdae036524bee * Logs (on Ubuntu14.04) -- auth.log -- May 18 14:47:03 vm sshd[2272]: Accepted publickey for test from 10.99.0.1 port 51398 ssh2: RSA 8f:39:1c:3a:f4:9d:ca:99:67:fc:e3:fd:1e:0c:5b:a8 May 18 14:47:03 vm sshd[2272]: pam_unix(sshd:session): session opened for user test by (uid=0) May 18 14:47:03 vm sshd[2272]: pam_tty_audit(sshd:session): error setting current audit status: Invalid argument May 18 14:47:03 vm sshd[2272]: error: PAM: pam_open_session(): Cannot make/remove an entry for the specified session May 18 14:47:03 vm sshd[2297]: Received disconnect from 10.99.0.1: 11: disconnected by user -- syslog -- May 18 14:47:03 vm audispd: node=vm type=USER_ACCT msg=audit(1463550423.399:58): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:accounting acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.403:59): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=LOGIN msg=audit(1463550423.403:60): pid=2272 uid=0 old-auid=4294967295 auid=20299 old-ses=4294967295 ses=3 res=1 May 18 14:47:03 vm audispd: node=vm type=CONFIG_CHANGE msg=audit(1463550423.403:61): pid=2272 uid=0 auid=20299 ses=3 op=tty_set old-enabled=0 new-enabled=1 old-log_passwd=0 new-log_passwd=32743 res=0 May 18 14:47:03 vm audispd: node=vm type=USER_START msg=audit(1463550423.447:62): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:session_open acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=failed' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.447:63): pid=2297 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_DISP msg=audit(1463550423.451:64): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' - Thanks regards. https://bit.ly/2BtN52W + Thanks regards. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1666203] Re: pam_tty_audit failed in pam_open_session
Hi Don-san. I am able to reproduce with the following procedure. - vagrant init ubuntu/xenial64 vagrant ssh # at xenial64 on VM echo 'session required pam_tty_audit.so enable=*' | sudo tee -a /etc/pam.d/common-session - When 'vagrant ssh' from other terminal, it is fail. I tested below environment. - vagrant@ubuntu-xenial:~$ uname -a Linux ubuntu-xenial 4.4.0-142-generic #168-Ubuntu SMP Wed Jan 16 21:00:45 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux vagrant@ubuntu-xenial:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:Ubuntu 16.04.5 LTS Release:16.04 Codename: xenial vagrant@ubuntu-xenial:~$ dpkg -l | grep -E 'libpam|linux-image' ii libpam-modules:amd64 1.1.8-3.2ubuntu2.1 amd64Pluggable Authentication Modules for PAM ii libpam-modules-bin 1.1.8-3.2ubuntu2.1 amd64Pluggable Authentication Modules for PAM - helper binaries ii libpam-runtime 1.1.8-3.2ubuntu2.1 all Runtime support for the PAM library ii libpam-systemd:amd64 229-4ubuntu21.15 amd64system and service manager - PAM module ii libpam0g:amd64 1.1.8-3.2ubuntu2.1 amd64Pluggable Authentication Modules library ii linux-image-4.4.0-142-generic4.4.0-142.168 amd64Linux kernel image for version 4.4.0 on 64 bit x86 SMP ii linux-image-virtual 4.4.0.142.148 amd64This package will always depend on the latest minimal generic kernel image. vagrant@ubuntu-xenial:~$ - If you cannot reproduce this issue above procedure, you try to enable/disable other pam module. This problem is caused by an uninitialized stack variable, so it is important to manipulate the state of the stack to reproduce it. For example, it is good to activate pam_ldap. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1666203] Re: pam_tty_audit failed in pam_open_session
Thank you for your response. I tested on 16.04/xenial with below packages, but this issue still exists. libpam-modules-bin 1.1.8-3.2ubuntu2.1 linux-image-4.4.0-137-generic 4.4.0-137.163 This issue has been fixed on the PAM 1.2.0, but 16.04/xenial and 18.04/bionic used the PAM 1.1.8 and the current package is not include a patche for this issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1666203] Re: pam_tty_audit failed in pam_open_session
** Description changed: Dear Maintainer. I found a bug in pam_tty_audit. When Using the pam_tty_audit with other pam modules(ex, pam_ldap), it failed in pam_open_session. It was triggared by use uninitialized variable in pam_tty_audit.c::pam_open_session. * Enviroments Ubuntu 14.04.4 LTS linux-image-3.16.0-71-generic3.16.0-71.92~14.04.1 libpam-ldap:amd64184-8.5ubuntu3 libpam-modules:amd641.1.8-1ubuntu2.2 Ubuntu 16.04.2 TLS linux-image-4.4.0-62-generic4.4.0-62.83 libpam-ldap:amd64184-8.7ubuntu1 libpam-modules:amd641.1.8-3.2ubuntu2 * Reproduction method 1. Install libpam-ldap. 2. Add the following to the end of /etc/pam.d/common-sessions session required pam_tty_audit.so enable=* open_only 3. When logging in with ssh etc., pam_tty_audit will fail and login fails - * Solution + * Solution (== 2018/04/16 Link updated ==) apply upstream patch - https://git.fedorahosted.org/cgit/linux-pam.git/commit/modules/pam_tty_audit/pam_tty_audit.c?id=c5f829931a22c65feffee16570efdae036524bee + https://github.com/linux-pam/linux-pam/commit/c5f829931a22c65feffee16570efdae036524bee * Logs (on Ubuntu14.04) -- auth.log -- May 18 14:47:03 vm sshd[2272]: Accepted publickey for test from 10.99.0.1 port 51398 ssh2: RSA 8f:39:1c:3a:f4:9d:ca:99:67:fc:e3:fd:1e:0c:5b:a8 May 18 14:47:03 vm sshd[2272]: pam_unix(sshd:session): session opened for user test by (uid=0) May 18 14:47:03 vm sshd[2272]: pam_tty_audit(sshd:session): error setting current audit status: Invalid argument May 18 14:47:03 vm sshd[2272]: error: PAM: pam_open_session(): Cannot make/remove an entry for the specified session May 18 14:47:03 vm sshd[2297]: Received disconnect from 10.99.0.1: 11: disconnected by user -- syslog -- May 18 14:47:03 vm audispd: node=vm type=USER_ACCT msg=audit(1463550423.399:58): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:accounting acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.403:59): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=LOGIN msg=audit(1463550423.403:60): pid=2272 uid=0 old-auid=4294967295 auid=20299 old-ses=4294967295 ses=3 res=1 May 18 14:47:03 vm audispd: node=vm type=CONFIG_CHANGE msg=audit(1463550423.403:61): pid=2272 uid=0 auid=20299 ses=3 op=tty_set old-enabled=0 new-enabled=1 old-log_passwd=0 new-log_passwd=32743 res=0 May 18 14:47:03 vm audispd: node=vm type=USER_START msg=audit(1463550423.447:62): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:session_open acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=failed' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.447:63): pid=2297 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_DISP msg=audit(1463550423.451:64): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' - Thanks regards. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1666203] [NEW] pam_tty_audit failed in pam_open_session
Public bug reported: Dear Maintainer. I found a bug in pam_tty_audit. When Using the pam_tty_audit with other pam modules(ex, pam_ldap), it failed in pam_open_session. It was triggared by use uninitialized variable in pam_tty_audit.c::pam_open_session. * Enviroments Ubuntu 14.04.4 LTS linux-image-3.16.0-71-generic3.16.0-71.92~14.04.1 libpam-ldap:amd64184-8.5ubuntu3 libpam-modules:amd641.1.8-1ubuntu2.2 Ubuntu 16.04.2 TLS linux-image-4.4.0-62-generic4.4.0-62.83 libpam-ldap:amd64184-8.7ubuntu1 libpam-modules:amd641.1.8-3.2ubuntu2 * Reproduction method 1. Install libpam-ldap. 2. Add the following to the end of /etc/pam.d/common-sessions session required pam_tty_audit.so enable=* open_only 3. When logging in with ssh etc., pam_tty_audit will fail and login fails * Solution apply upstream patch https://git.fedorahosted.org/cgit/linux-pam.git/commit/modules/pam_tty_audit/pam_tty_audit.c?id=c5f829931a22c65feffee16570efdae036524bee * Logs (on Ubuntu14.04) -- auth.log -- May 18 14:47:03 vm sshd[2272]: Accepted publickey for test from 10.99.0.1 port 51398 ssh2: RSA 8f:39:1c:3a:f4:9d:ca:99:67:fc:e3:fd:1e:0c:5b:a8 May 18 14:47:03 vm sshd[2272]: pam_unix(sshd:session): session opened for user test by (uid=0) May 18 14:47:03 vm sshd[2272]: pam_tty_audit(sshd:session): error setting current audit status: Invalid argument May 18 14:47:03 vm sshd[2272]: error: PAM: pam_open_session(): Cannot make/remove an entry for the specified session May 18 14:47:03 vm sshd[2297]: Received disconnect from 10.99.0.1: 11: disconnected by user -- syslog -- May 18 14:47:03 vm audispd: node=vm type=USER_ACCT msg=audit(1463550423.399:58): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:accounting acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.403:59): pid=2272 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=LOGIN msg=audit(1463550423.403:60): pid=2272 uid=0 old-auid=4294967295 auid=20299 old-ses=4294967295 ses=3 res=1 May 18 14:47:03 vm audispd: node=vm type=CONFIG_CHANGE msg=audit(1463550423.403:61): pid=2272 uid=0 auid=20299 ses=3 op=tty_set old-enabled=0 new-enabled=1 old-log_passwd=0 new-log_passwd=32743 res=0 May 18 14:47:03 vm audispd: node=vm type=USER_START msg=audit(1463550423.447:62): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:session_open acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=failed' May 18 14:47:03 vm audispd: node=vm type=CRED_ACQ msg=audit(1463550423.447:63): pid=2297 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' May 18 14:47:03 vm audispd: node=vm type=CRED_DISP msg=audit(1463550423.451:64): pid=2272 uid=0 auid=20299 ses=3 msg='op=PAM:setcred acct="test" exe="/usr/sbin/sshd" hostname=10.99.0.1 addr=10.99.0.1 terminal=ssh res=success' Thanks regards. ** Affects: pam (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666203 Title: pam_tty_audit failed in pam_open_session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1666203/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
