libpam: Security Advisory - CVE-2014-2583

libpam: Security Advisory - CVE-2014-2583

v2 changes:
* update format for commit log
* add Upstream-Status for patch

Multiple directory traversal vulnerabilities in pam_timestamp.c in the
pam_timestamp module for Linux-PAM (aka pam) 1.1.8 allow local users to
create aribitrary files or possibly bypass authentication via a .. (dot
dot) in the (1) PAM_RUSER value to the get_ruser function or (2) PAM_TTY
value to the check_tty funtion, which is used by the
format_timestamp_name function.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2583

Signed-off-by: Yue Tao <Yue.Tao@windriver.com>
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>