Kyrol Internet Security 9.0.6.9 Driver kyrld.sys release of reference

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Kyrol Internet Security 9.0.6.9. This impacts an unknown function in the library kyrld.sys of the component Driver. The manipulation leads to release of reference. This vulnerability is listed as CVE-2019-19820. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Kyrol Internet Security 9.0.6.9. It has been rated as critical. This issue affects some unknown processing in the library kyrld.sys of the component Driver. The manipulation with an unknown input leads to a release of reference vulnerability. Using CWE to declare the problem leads to CWE-763. The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An invalid pointer vulnerability in IOCTL Handling in the kyrld.sys driver in Kyrol Internet Security 9.0.6.9 allows an attacker to achieve privilege escalation, denial-of-service, and code execution via usermode because 0x9C402405 using METHOD_NEITHER results in a read primitive.

The weakness was presented 01/10/2020. The identification of this vulnerability is CVE-2019-19820 since 12/16/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/11/2020).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
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: Release of reference
CWE: CWE-763 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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

12/16/2019 🔍
01/10/2020 +25 days 🔍
01/11/2020 +1 days 🔍
03/20/2024 +1530 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-19820 (🔍)
GCVE (CVE): GCVE-0-2019-19820
GCVE (VulDB): GCVE-100-148553

Entryinfo

Created: 01/11/2020 09:21
Updated: 03/20/2024 15:29
Changes: 01/11/2020 09:21 (37), 01/11/2020 09:26 (17), 03/20/2024 15:29 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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