CVE-2020-5806

CVSS V2 Low 2.1 CVSS V3 Medium 5.5

Description

An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

Overview

CVE ID
CVE-2020-5806

Assigner
vulnreport@tenable.com

Vulnerability Status
Analyzed

Published Version
2020-12-29T16:15:14

Last Modified Date
2020-12-30T18:45:10

Weakness Enumerations

CWE	URL
CWE-770	http://cwe.mitre.org/data/definitions/770.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:rockwellautomation:factorytalk_linx::::::::	1	OR		6.11

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.tenable.com/security/research/tra-2020-71	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-5806
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5806

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:29:06				Added to TrackCVE
2022-12-05 18:56:41	2020-12-29T16:15Z	2020-12-29T16:15:14	CVE Published Date	updated
2022-12-05 18:56:41		2020-12-30T18:45:10	CVE Modified Date	updated
2022-12-05 18:56:41		Analyzed	Vulnerability Status	updated