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cve[email protected]CVE-2016-6866
HistoryFeb 15, 2017 - 7:59 p.m.

CVE-2016-6866

2017-02-1519:59:00
CWE-476
web.nvd.nist.gov
54
slock
vulnerability
bypass
screen lock
invalid password hash
null pointer
crash
nvd
cve-2016-6866

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.8%

slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.

Affected configurations

NVD
Node
sucklessslockRange1.3
Node
fedoraprojectfedoraMatch24
OR
fedoraprojectfedoraMatch25
CPENameOperatorVersion
suckless:slocksuckless slockle1.3

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.8%