Vulnerability Details : CVE-2019-19820
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.
Vulnerability category: Gain privilegeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-19820
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 15 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-19820
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-19820
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19820
-
https://nafiez.github.io/security/vulnerability/2019/12/04/kyrol-internet-security-invalid-pointer-vulnerability.html
(0-Day) Kyrol Internet Security (2015) - kyrld.sys Driver Invalid Pointer Vulnerability - Security ResearchExploit;Third Party Advisory
-
https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-04-kyrol-internet-security-invalid-pointer-vulnerability.md
nafiez.github.io/2019-12-04-kyrol-internet-security-invalid-pointer-vulnerability.md at master · nafiez/nafiez.github.io · GitHubExploit;Third Party Advisory
Products affected by CVE-2019-19820
- cpe:2.3:a:kyrol:internet_security:9.0.6.9:*:*:*:*:*:*:*