5.5 - CVE-2019-6493

Executive Summary

Informations
Name	CVE-2019-6493	First vendor Publication	2019-04-11
Vendor	Cve	Last vendor Modification	2020-08-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score	5.5
Base Score	5.5	Environmental Score	5.5
impact SubScore	3.6	Temporal Score	5.5
Exploitabality Sub Score	1.8

Attack Vector	Local	Attack Complexity	Low
Privileges Required	Low	User Interaction	None
Scope	Unchanged	Confidentiality Impact	High
Integrity Impact	None	Availability Impact	None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score	2.1	Attack Range	Local
Cvss Impact Score	2.9	Attack Complexity	Low
Cvss Expoit Score	3.9	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

SmartDefragDriver.sys (2.0) in IObit Smart Defrag 6 never frees an executable kernel pool that is allocated with user defined bytes and size when IOCTL 0x9C401CC0 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6493

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-401	Failure to Release Memory Before Removing Last Reference ('Memory Leak')

CPE : Common Platform Enumeration

Type	Description	Count
Application	Iobit Smart Defrag cpe:2.3:a:iobit:smart_defrag:6:::::::*	1

Sources (Detail)

Source	Url
MISC	https://downwithup.github.io/CVEPosts.html https://www.iobit.com/en/iobitsmartdefrag.php

Alert History

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Date	Informations
2021-05-04 13:38:17	Multiple Updates
2021-04-22 02:49:36	Multiple Updates
2020-09-03 01:27:51	Multiple Updates
2020-05-23 02:32:19	Multiple Updates
2019-04-12 21:19:08	Multiple Updates
2019-04-12 05:19:08	First insertion