Vulnerability Details CVE-2013-4143
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.7%
CVSS Severity
CVSS v2 Score 2.1
References
- http://openwall.com/lists/oss-security/2013/07/16/8
- http://openwall.com/lists/oss-security/2013/07/18/6
- http://www.tux.org/~bagleyd/xlock/xlockmore.README
- http://openwall.com/lists/oss-security/2013/07/16/8
- http://openwall.com/lists/oss-security/2013/07/18/6
- http://www.tux.org/~bagleyd/xlock/xlockmore.README
Products affected by CVE-2013-4143
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cpe:2.3:a:david_bagley:xlockmore:*
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cpe:2.3:a:david_bagley:xlockmore:5.24
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cpe:2.3:a:david_bagley:xlockmore:5.25
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cpe:2.3:a:david_bagley:xlockmore:5.26
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cpe:2.3:a:david_bagley:xlockmore:5.27
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cpe:2.3:a:david_bagley:xlockmore:5.28
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cpe:2.3:a:david_bagley:xlockmore:5.29
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cpe:2.3:a:david_bagley:xlockmore:5.30
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cpe:2.3:a:david_bagley:xlockmore:5.31
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cpe:2.3:a:david_bagley:xlockmore:5.32
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cpe:2.3:a:david_bagley:xlockmore:5.33
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cpe:2.3:a:david_bagley:xlockmore:5.34
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cpe:2.3:a:david_bagley:xlockmore:5.35
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cpe:2.3:a:david_bagley:xlockmore:5.36
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cpe:2.3:a:david_bagley:xlockmore:5.37
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cpe:2.3:a:david_bagley:xlockmore:5.38
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cpe:2.3:a:david_bagley:xlockmore:5.39
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cpe:2.3:a:david_bagley:xlockmore:5.40
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cpe:2.3:a:david_bagley:xlockmore:5.41