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Date: Mon, 09 Dec 2013 15:21:39 +0530
From: Ratul Gupta <ratulg@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE request: pam: password hashes aren't compared case-sensitively
https://bugzilla.redhat.com/show_bug.cgi?id=1038555
It was found that in pam_userdb module for Pam, password hashes weren't
compared case-sensitively, which could lead to acceptance of hashes for
completely different passwords, which shouldn't be accepted.
After hashing the user's password with crypt(), pam_userdb compares the
result to the stored hash case-insensitively with strncasecmp(), which
should be avoided, as it could result in an increased possibility of a
successful brute-force attack.
Can a CVE be assigned for this?
--
Regards,
Ratul Gupta / Red Hat Security Response Team
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