The _unix_run_helper_binary function in the pam_unix module in
Linux-PAM (aka pam) before 1.2.1, when unable to directly access
passwords, allows local users to enumerate usernames or cause a denial
of service (hang) via a large password.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20150625 Linux-PAM 1.2.1 released to address CVE-2015-3238
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