VulnerabilityModified
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 via a symbolic link attack with file restoration functionality.
HIGH 7.8EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- k7computing/k7 ultimate security
- Source
- cve@mitre.org
References
- https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/K7%20Security/Local%20Privilege%20Escalation/v16.0.0117/README.mdExploit, Third Party Advisory
- https://support.k7computing.com/index.php?/selfhelp/categories/Vulnerability%20Report%20and%20Advisory/29Vendor Advisory
- https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/K7%20Security/Local%20Privilege%20Escalation/v16.0.0117/README.mdExploit, Third Party Advisory
- https://support.k7computing.com/index.php?/selfhelp/categories/Vulnerability%20Report%20and%20Advisory/29Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.