Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT Security Bulletin ASB-2022.0234 Microsoft Patch Tuesday update for Exchange Server for November 2022 9 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Exchange Server Operating System: Windows Resolution: Patch/Upgrade CVE Names: CVE-2022-41123 CVE-2022-41080 CVE-2022-41079 CVE-2022-41078 Comment: CVSS (Max): 8.8 CVE-2022-41080 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Microsoft Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H OVERVIEW Microsoft has released its monthly security patch update for the month of November 2022. This update resolves 4 vulnerabilities across the following product(s): [1] Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Exchange Server 2016 Cumulative Update 22 Microsoft Exchange Server 2016 Cumulative Update 23 Microsoft Exchange Server 2019 Cumulative Update 11 Microsoft Exchange Server 2019 Cumulative Update 12 IMPACT Microsoft has given the following details regarding these vulnerabilities. Details Impact Severity CVE-2022-41078 Spoofing Important CVE-2022-41079 Spoofing Important CVE-2022-41080 Elevation of Privilege Critical CVE-2022-41123 Elevation of Privilege Important MITIGATION Microsoft recommends updating the software with the version made available on the Microsoft Update Catalogue for the following Knowledge Base article. [1]. KB5019758 REFERENCES [1] Microsoft Security Update Guidance https://portal.msrc.microsoft.com/en-us/security-guidance AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. 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. =========================================================================== 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY2sFFckNZI30y1K9AQhHexAApJ0vlrSgB8M8eo3OTbj/erTXlZnKYunR TuiGxz82hVp4ArlWJPS7yxRijq+Q/NpUOiO3nSzNkoqn6Tm6Du+6deg1EK5vHZ+m R5fXTw72Ou9cYQAzRxtpefjgmsooWIZCeCF0zmXGAtEtDUNmOw9XdqMCvDfI6QnV +VaUM+PcxisgSEP0qOJdGNvq6uyuEtYYaD+3GFXqTmRy5O+MOBYrf61uovXw808L O5mhn2YxZhTanYo/Od0rLUZ2k19nuH3QqdKPtYIruIO7LSnRLlOIGowZbQi+OXUO HBKGqMlg09P44qCXM/meGJgfqK4PNii9X1h2NdUReuFEYUiOTDRUQYe7c0rKgUah cMK2YzKMfyPJg2kJ+3KNHf1fhR2/XUngsLMWBE8hbbFEzuUtYGrGJ90Q18rjf/R+ PPahp82HxXGyrNSVmh1GS1642xnooSrQ4Z8O1g+pMETTh/fdwb5jbp7e0bMALYof a19olvLkOnXraQFW9niSMpQwgrxSAIRyXkSToJtyGawX/gKqJ9IO6i8XkSWladpb u3Sk6TievHKZUF0UWZwmr7jfGcEbK38MIXp7xBft/EkIcPTQn/k3lG32feBpO0k+ GS7gzoafhiuI60EIGyqHunyA2mcSudGOGLsGJ2XTxvEcCZnDEbKdhiy95HI+F+Mh pHySQFoQgl0= =Rb+C -----END PGP SIGNATURE-----