K7 Antivirus Premium/Total Security/Ultimate Security Inter-Process Communication K7TSHlpr.dll privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in K7 Antivirus Premium, Total Security and Ultimate Security up to 16.0.xxx (Anti-Malware Software). It has been declared as critical. Affected by this vulnerability is an unknown part in the library K7TSHlpr.dll of the component Inter-Process Communication. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In K7 Antivirus Premium 16.0.xxx through 16.0.0120; K7 Total Security 16.0.xxx through 16.0.0120; and K7 Ultimate Security 16.0.xxx through 16.0.0120, the module K7TSHlpr.dll improperly validates the administrative privileges of the user, allowing arbitrary registry writes in the K7AVOptn.dll module to facilitate escalation of privileges via inter-process communication with a service process.

The weakness was shared 10/28/2019. This vulnerability is known as CVE-2019-16897 since 09/25/2019. Attacking locally is a requirement. A single authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-154567, VDB-159021, VDB-159022 and VDB-162528 are related to this item.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/25/2019 🔍
10/28/2019 +33 days 🔍
10/28/2019 +0 days 🔍
01/29/2024 +1554 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-16897 (🔍)
See also: 🔍

Entryinfo

Created: 10/28/2019 08:12 PM
Updated: 01/29/2024 10:47 AM
Changes: 10/28/2019 08:12 PM (36), 10/28/2019 08:17 PM (18), 01/29/2024 10:47 AM (3)
Complete: 🔍
Cache ID: 100:6EA:40

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