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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT Security Bulletin ASB-2021.0044 Microsoft Patch Tuesday update for Windows for February 2021 10 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Windows 10 Windows 8.1 Windows RT 8.1 Windows Server Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019 Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Increased Privileges -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Unauthorised Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-25195 CVE-2021-24106 CVE-2021-24103 CVE-2021-24102 CVE-2021-24098 CVE-2021-24096 CVE-2021-24094 CVE-2021-24093 CVE-2021-24091 CVE-2021-24088 CVE-2021-24086 CVE-2021-24084 CVE-2021-24083 CVE-2021-24082 CVE-2021-24081 CVE-2021-24080 CVE-2021-24079 CVE-2021-24078 CVE-2021-24077 CVE-2021-24076 CVE-2021-24075 CVE-2021-24074 CVE-2021-1734 CVE-2021-1732 CVE-2021-1731 CVE-2021-1727 CVE-2021-1722 CVE-2021-1698 OVERVIEW Microsoft has released its monthly security patch update for the month of February 2021. This update resolves 28 vulnerabilities across the following products: [1] Windows 10 Windows 8.1 Windows RT 8.1 Windows Server Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019 IMPACT Microsoft has given the following details regarding these vulnerabilities. Details Impact Severity CVE-2021-1698 Elevation of Privilege Important CVE-2021-1722 Remote Code Execution Critical CVE-2021-1727 Elevation of Privilege Important CVE-2021-1731 Security Feature Bypass Important CVE-2021-1732 Elevation of Privilege Important CVE-2021-1734 Information Disclosure Important CVE-2021-24074 Remote Code Execution Critical CVE-2021-24075 Denial of Service Important CVE-2021-24076 Information Disclosure Important CVE-2021-24077 Remote Code Execution Critical CVE-2021-24078 Remote Code Execution Critical CVE-2021-24079 Information Disclosure Important CVE-2021-24080 Denial of Service Moderate CVE-2021-24081 Remote Code Execution Critical CVE-2021-24082 Security Feature Bypass Important CVE-2021-24083 Remote Code Execution Important CVE-2021-24084 Information Disclosure Important CVE-2021-24086 Denial of Service Important CVE-2021-24088 Remote Code Execution Critical CVE-2021-24091 Remote Code Execution Critical CVE-2021-24093 Remote Code Execution Critical CVE-2021-24094 Remote Code Execution Critical CVE-2021-24096 Elevation of Privilege Important CVE-2021-24098 Denial of Service Important CVE-2021-24102 Elevation of Privilege Important CVE-2021-24103 Elevation of Privilege Important CVE-2021-24106 Information Disclosure Important CVE-2021-25195 Elevation of Privilege Important MITIGATION Microsoft recommends updating the software to the latest available version available on the Microsoft Update Catalog. [1]. 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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYCNMkuNLKJtyKPYoAQifGQ//fGo8FvS1ONimxALwLEPJoZely3yLMSQk NtlMP4ws1xxUH8jTZ1zTSeqbv1VvREq1mIQBnEfzOvIRXD6xdV/2+d6WL1W5FN72 cwDX+k3SnsVkQfwLWrm0jLxc/INt5o/CLV79f0cnpur+XxKvzz+41f+vwVZQGiFf pWxDdMDoEPGfxkyQ0mJazv+FxoJO5rVPmHknMQOIiLxCw2bL644A7LZ2m2z2Ly2z wwMFZLjKmuPxRYhEFnF5OWCxcMeG5g3M+HKkMofBDuFqpN9f0RtsqbPu/5t/hrOy dm1LbUJYvdOBGDgf+c280iJu8st16umrPxnWRr0bX75yagHAhW+Oonnj5WBxD462 vrqmdPkWLvnu0KqJ57l9tWKWTZXail85ZEEVQGGco0UxNkNdDmEQymWYnWMfjcRC QIY9HhWsdTCmf1T96Itg2EBviov/ae9/oa5FP0lohLhxF/Z7OCItSXzAkzZ7qCve ddRnCA3g0X2qcFHGGSBnK5t8GXZICRLHZ2wPFnHFZVdnLcvl93LOANRBowIGbV66 O36pz01FiiTQnhV2oKjmF2hnME2fe39sNKLMXnfuzNYqjDFU+1KkGCNWy2Z+c8i+ C0CnV1E19RSYU+yQnd+kf3ih+L8WhwH4oEu4TP6ngPi+uh6SGEO2mYpxtIDdtvFW B/QWS9lI2Bg= =palw -----END PGP SIGNATURE-----