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cveRedhatCVE-2013-4143
HistoryMay 30, 2014 - 2:55 p.m.

CVE-2013-4143

2014-05-3014:55:08
redhat
web.nvd.nist.gov
27
cve-2013-4143
xlockmore
screen lock bypass
invalid salts
glibc 2.17
nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

20.8%

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.

Affected configurations

Nvd
Node
david_bagleyxlockmoreRange5.42
OR
david_bagleyxlockmoreMatch5.24
OR
david_bagleyxlockmoreMatch5.25
OR
david_bagleyxlockmoreMatch5.26
OR
david_bagleyxlockmoreMatch5.27
OR
david_bagleyxlockmoreMatch5.28
OR
david_bagleyxlockmoreMatch5.29
OR
david_bagleyxlockmoreMatch5.30
OR
david_bagleyxlockmoreMatch5.31
OR
david_bagleyxlockmoreMatch5.32
OR
david_bagleyxlockmoreMatch5.33
OR
david_bagleyxlockmoreMatch5.34
OR
david_bagleyxlockmoreMatch5.35
OR
david_bagleyxlockmoreMatch5.36
OR
david_bagleyxlockmoreMatch5.37
OR
david_bagleyxlockmoreMatch5.38
OR
david_bagleyxlockmoreMatch5.39
OR
david_bagleyxlockmoreMatch5.40
OR
david_bagleyxlockmoreMatch5.41
VendorProductVersionCPE
david_bagleyxlockmore*cpe:2.3:a:david_bagley:xlockmore:*:*:*:*:*:*:*:*
david_bagleyxlockmore5.24cpe:2.3:a:david_bagley:xlockmore:5.24:*:*:*:*:*:*:*
david_bagleyxlockmore5.25cpe:2.3:a:david_bagley:xlockmore:5.25:*:*:*:*:*:*:*
david_bagleyxlockmore5.26cpe:2.3:a:david_bagley:xlockmore:5.26:*:*:*:*:*:*:*
david_bagleyxlockmore5.27cpe:2.3:a:david_bagley:xlockmore:5.27:*:*:*:*:*:*:*
david_bagleyxlockmore5.28cpe:2.3:a:david_bagley:xlockmore:5.28:*:*:*:*:*:*:*
david_bagleyxlockmore5.29cpe:2.3:a:david_bagley:xlockmore:5.29:*:*:*:*:*:*:*
david_bagleyxlockmore5.30cpe:2.3:a:david_bagley:xlockmore:5.30:*:*:*:*:*:*:*
david_bagleyxlockmore5.31cpe:2.3:a:david_bagley:xlockmore:5.31:*:*:*:*:*:*:*
david_bagleyxlockmore5.32cpe:2.3:a:david_bagley:xlockmore:5.32:*:*:*:*:*:*:*
Rows per page:
1-10 of 191

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

20.8%