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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3110 MVISION Endpoint update fixes two vulnerabilities 10 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Mcafee MVISION Endpoint Publisher: Mcafee Operating System: Windows Impact/Access: Increased Privileges -- Existing Account Unauthorised Access -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-7325 CVE-2020-7324 Original Bulletin: https://kc.mcafee.com/corporate/index?page=content&id=SB10328 - --------------------------BEGIN INCLUDED TEXT-------------------- McAfee Security Bulletin - MVISION Endpoint update fixes two vulnerabilities (CVE-2020-7324 and CVE-2020-7325) Security Bulletins ID : SB10328 Last Modified : 9/8/2020 Summary First Published: September 8, 2020 +----------------+---------+-------------+------------------+--------+--------+ | | | | | |CVSS | | |Impacted | |Impact of |Severity|v3.1 | |Product: |Versions:|CVE ID: |Vulnerabilities: |Ratings:|Base/ | | | | | | |Temporal| | | | | | |Scores: | +----------------+---------+-------------+------------------+--------+--------+ | |20.7 and | |Improper Privilege| |6.1 / | |MVISION Endpoint|earlier |CVE-2020-7324|Management |Medium |5.5 | | | | |(CWE-269) | | | +----------------+---------+-------------+------------------+--------+--------+ | | | |Improper Link | | | |MVISION Endpoint|20.7 and |CVE-2020-7325|Resolution Before |Medium |5.5 / | | |earlier | |File Access | |5.0 | | | | |(CWE-59) | | | +----------------+---------+-------------+------------------+--------+--------+ |Recommendations:|Install or update to MVISION Endpoint 20.9 | +----------------+------------------------------------------------------------+ |Security | | |Bulletin |None | |Replacement: | | +----------------+------------------------------------------------------------+ |Location of | | |updated |http://www.mcafee.com/us/downloads/downloads.aspx | |software: | | +----------------+------------------------------------------------------------+ To receive email notification when this Security Bulletin is updated, click Subscribe on the right side of the page. 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Article contents: o Vulnerability Description o Remediation o Frequently Asked Questions (FAQs) o Resources o Disclaimer Vulnerability Description CVE-2020-7324 Improper Access Control vulnerability in McAfee MVISION Endpoint prior to 20.9 Update allows local users to bypass security mechanisms and deny access to the SYSTEM folder via incorrectly applied permissions. https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2020-7324 https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2020-7324 CVE-2020-7325 Privilege Escalation vulnerability in McAfee MVISION Endpoint prior to 20.9 Update allows local users to access files which the user otherwise would not have access to via manipulating symbolic links to redirect McAfee file operations to an unintended file. https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2020-7325 https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2020-7325 Remediation To remediate this issue, we advise customers on MVISION Endpoint 20.7 or earlier to update to MVISION Endpoint 20.9. Go to the Product Downloads site and download the applicable product update file: +--------+-------+------+----------------------------------------------------------+---------+ |Product |Version|Type |File Name |Release | | | | | |Date | +--------+-------+------+----------------------------------------------------------+---------+ |MVISION |20.9 |Update|MVISION_Endpoint_Installer_x64_Release_2009_20.9.0.215.zip|September| |Endpoint| | | |8, 2020 | +--------+-------+------+----------------------------------------------------------+---------+ Download and Installation Instructions See KB56057 for instructions on how to download McAfee products, documentation, updates, and hotfixes. Review the Release Notes and the Installation Guide, which you can download from the Documentation tab, for instructions on how to install these updates. Frequently Asked Questions (FAQs) How do I know if my McAfee product is vulnerable or not For MVISION Endpoint: Use the following instructions for MVISION Endpoint: 1. Right-click the McAfee tray shield icon on the Windows taskbar. 2. Select About . The product version displays. What is CVSS CVSS, or Common Vulnerability Scoring System, is the result of the National Infrastructure Advisory Council's effort to standardize a system of assessing the criticality of a vulnerability. This system offers an unbiased criticality score between 0 and 10 that customers can use to judge how critical a vulnerability is and plan accordingly. For more information, visit the CVSS website at: https://www.first.org/cvss/ . When calculating CVSS scores, McAfee has adopted a philosophy that fosters consistency and repeatability. Our guiding principle for CVSS scoring is to score the exploit under consideration by itself. We consider only the immediate and direct impact of the exploit under consideration. We do not factor into a score any potential follow-on exploits that might be made possible by the successful exploitation of the issue being scored. What are the CVSS scoring metrics 1. CVE-2020-7324: Improper Access Control vulnerability in MVISION Endpoint +------------------------+--------------------+ |Base Score |6.1 | +------------------------+--------------------+ |Attack Vector (AV) |Local (L) | +------------------------+--------------------+ |Attack Complexity (AC) |Low (L) | +------------------------+--------------------+ |Privileges Required (PR)|Low (L) | +------------------------+--------------------+ |User Interaction (UI) |None (N) | +------------------------+--------------------+ |Scope (S) |Unchanged (U) | +------------------------+--------------------+ |Confidentiality (C) |None (N) | +------------------------+--------------------+ |Integrity (I) |Low (L) | +------------------------+--------------------+ |Availability (A) |High (H) | +------------------------+--------------------+ |Temporal Score (Overall)|5.5 | +------------------------+--------------------+ |Exploitability (E) |Proof-of-Concept (P)| +------------------------+--------------------+ |Remediation Level (RL) |Official Fix (O) | +------------------------+--------------------+ |Report Confidence (RC) |Confirmed (C) | +------------------------+--------------------+ NOTE: The below CVSS version 3.1 vector was used to generate this score. https://nvd.nist.gov/vuln-metrics/cvss/v3-calculatorvector=AV:L/AC:L/PR:L/ UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C&version=3.1 2. CVE-2020-7325: Privilege Escalation vulnerability in MVISION Endpoint +------------------------+--------------------+ |Base Score |5.5 | +------------------------+--------------------+ |Attack Vector (AV) |Local (L) | +------------------------+--------------------+ |Attack Complexity (AC) |Low (L) | +------------------------+--------------------+ |Privileges Required (PR)|Low (L) | +------------------------+--------------------+ |User Interaction (UI) |None (N) | +------------------------+--------------------+ |Scope (S) |Unchanged (U) | +------------------------+--------------------+ |Confidentiality (C) |None (N) | +------------------------+--------------------+ |Integrity (I) |None (N) | +------------------------+--------------------+ |Availability (A) |High (H) | +------------------------+--------------------+ |Temporal Score (Overall)|5.0 | +------------------------+--------------------+ |Exploitability (E) |Proof-of-Concept (P)| +------------------------+--------------------+ |Remediation Level (RL) |Official Fix (O) | +------------------------+--------------------+ |Report Confidence (RC) |Confirmed (C) | +------------------------+--------------------+ NOTE: The below CVSS version 3.1 vector was used to generate this score. https://nvd.nist.gov/vuln-metrics/cvss/v3-calculatorvector=AV:L/AC:L/PR:L/ UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C&version=3.1 Where can I find a list of all Security Bulletins All Security Bulletins are published on our external PSIRT website at https:// www.mcafee.com/us/threat-center/product-security-bulletins.aspx . To see Security Bulletins for McAfee Enterprise products on this website click Enterprise Security Bulletins . Security Bulletins are retired (removed) once a product is both End of Sale and End of Support (End of Life). How do I report a product vulnerability to McAfee If you have information about a security issue or vulnerability with a McAfee product, visit the McAfee PSIRT website for instructions at https:// www.mcafee.com/us/threat-center/product-security-bulletins.aspx . To report an issue, click Report a Security Vulnerability . How does McAfee respond to this and any other reported security flaws Our key priority is the security of our customers. If a vulnerability is found within any McAfee software or services, we work closely with the relevant security software development team to ensure the rapid and effective development of a fix and communication plan. McAfee only publishes Security Bulletins if they include something actionable such as a workaround, mitigation, version update, or hotfix. Otherwise, we would simply be informing the hacker community that our products are a target, putting our customers at greater risk. For products that are updated automatically, a non-actionable Security Bulletin might be published to acknowledge the discoverer. View our PSIRT policy on the McAfee PSIRT website at https://www.mcafee.com/us/ threat-center/product-security-bulletins.aspx by clicking About PSIRT . Resources To contact Technical Support, log on to the ServicePortal and go to the Create a Service Request page at https://support.mcafee.com/ServicePortal/faces/ serviceRequests/createSR : o If you are a registered user, type your User ID and Password, and then click Log In . o If you are not a registered user, click Register and complete the required fields. Your password and logon instructions will be emailed to you. Disclaimer The information provided in this Security Bulletin is provided as is without warranty of any kind. McAfee disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall McAfee or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if McAfee or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the preceding limitation may not apply. Any future product release dates mentioned in this Security Bulletin are intended to outline our general product direction, and they should not be relied on in making a purchasing decision. The product release dates are for information purposes only, and may not be incorporated into any contract. The product release dates are not a commitment, promise, or legal obligation to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for our products remains at our sole discretion and may be changed or canceled at any time - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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