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MitreCVE-2019-16896

HistoryDec 27, 2019 - 4:15 p.m.

CVE-2019-16896

2019-12-2716:15:11

CWE-59

mitre

web.nvd.nist.gov

k7 ultimate security

cve-2019-16896

k7bkcext.dll

file write

symbolic link

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

20.2%

JSON

In K7 Ultimate Security 16.0.0117, the module K7BKCExt.dll (aka the backup module) improperly validates the administrative privileges of the user, allowing an arbitrary file write via a symbolic link attack with file restoration functionality.

Affected configurations

Nvd

Node

k7computingk7_ultimate_securityMatch16.0.0117

VendorProductVersionCPE
k7computingk7_ultimate_security16.0.0117cpe:2.3:a:k7computing:k7_ultimate_security:16.0.0117:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
k7computing	k7_ultimate_security	16.0.0117	cpe:2.3:a:k7computing:k7_ultimate_security:16.0.0117:::::::*

References

github.com/NtRaiseHardError/Antimalware-Research/blob/master/K7%20Security/Local%20Privilege%20Escalation/v16.0.0117/README.md

support.k7computing.com/index.php?/selfhelp/categories/Vulnerability%20Report%20and%20Advisory/29

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

20.2%

JSON

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