High severity · published Dec 27, 2019
CVE-2019-16896
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…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KU
K7 Ultimate Security · K7computing
16.0.0117 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16896
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16896
Exploit
https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/K7%20Security/Local%20Privilege%20Escalation/v16.0.0117/README.md
Vendor Advisory
https://support.k7computing.com/index.php?/selfhelp/categories/Vulnerability%20Report%20and%20Advisory/29
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