CVE-2019-11867

CVSS V2 Low 2.1 CVSS V3 Medium 5.5

Description

Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability, an attacker must send an IRP with a system buffer size of 0.

Overview

CVE ID
CVE-2019-11867

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-02-12T18:15:10

Last Modified Date
2020-02-25T13:43:03

Weakness Enumerations

CWE	URL
CWE-476	http://cwe.mitre.org/data/definitions/476.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:realtek:ndis:10.1.505.2015:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.realtek.cz/realtek-network-drivers.html	Vendor Advisory
https://downwithup.github.io/CVEPosts.html	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-11867
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11867

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:48:57				Added to TrackCVE
2022-12-04 11:13:16	2020-02-12T18:15Z	2020-02-12T18:15:10	CVE Published Date	updated
2022-12-04 11:13:16		2020-02-25T13:43:03	CVE Modified Date	updated
2022-12-04 11:13:16		Analyzed	Vulnerability Status	updated