low
2.1
Advisory Published
Updated

CVE-2013-4143

First published: Fri May 30 2014(Updated: )

The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon an error by the crypt or dispcrypt function as implemented in glibc 2.17 and later, which allows attackers to bypass the screen lock via vectors related to invalid salts.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
David Bagley Xlockmore<=5.42
David Bagley Xlockmore=5.24
David Bagley Xlockmore=5.25
David Bagley Xlockmore=5.26
David Bagley Xlockmore=5.27
David Bagley Xlockmore=5.28
David Bagley Xlockmore=5.29
David Bagley Xlockmore=5.30
David Bagley Xlockmore=5.31
David Bagley Xlockmore=5.32
David Bagley Xlockmore=5.33
David Bagley Xlockmore=5.34
David Bagley Xlockmore=5.35
David Bagley Xlockmore=5.36
David Bagley Xlockmore=5.37
David Bagley Xlockmore=5.38
David Bagley Xlockmore=5.39
David Bagley Xlockmore=5.40
David Bagley Xlockmore=5.41

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