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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT Security Bulletin ASB-2021.0168 Microsoft Patch Tuesday update for Microsoft Office, Microsoft Office Services and Web Apps for August 2021 11 August 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Office Microsoft Office Services Microsoft Web Apps Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Provide Misleading Information -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-36941 CVE-2021-36940 CVE-2021-34478 OVERVIEW Microsoft has released its monthly security patch update for the month of August 2021. This update resolves 3 vulnerabilities across the following products:[1] Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Office 2019 for 32-bit editions Microsoft Office 2019 for 64-bit editions Microsoft Office 2019 for Mac Microsoft SharePoint Enterprise Server 2013 Service Pack 1 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Server 2019 IMPACT Microsoft has given the following details regarding these vulnerabilities. Details Impact Severity CVE-2021-34478 Remote Code Execution Important CVE-2021-36940 Spoofing Important CVE-2021-36941 Remote Code Execution Important MITIGATION Microsoft recommends updating the software with the version made available on the Microsoft Update Catalogue for the following Knowledge Base articles. [1]. KB4011600, KB5002000, KB5002002 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 iQIVAwUBYRMgseNLKJtyKPYoAQgOcw/9Gjo3mGhEDXld3/QPGApZLFtVTxgyyT0J 83SAcmOnE77pci5QYBnYlu3Bb/7UfYx78C6t/v01B0MmilLIRHVNQkG2hRBuoGsF tBWB14D756pv1D0PZtyVguvilcjrz142ci54+BpLuE/x+hEkfYRiMXT0hN67+sgP b3n/zZu9xRZUg9EaeS/B4Y8UchRx+UN1S/oQGD9GXieRJJYRKUhKYLLgsHN0I3s3 f3uX7nwZgOuMf+K4mVnxzSEVfZkxgICiKKtMBR51SnuPU8gqo0U/1RR2T2QxixPl SsO4hmW6g28zNrfDzxpTa0elO2ChmFv6N9iTomeC/QfT2HhuWdunTQAdxwDwo7UN fcvTids7teCOcDxkQnQpnny91ignKPCrblt1ZeyOk1KiHh1xI0zEX3TAB46HiREy QitWbxKOqxJzLp8R3sD1GYRDT6E3eh82+GOmUJ6FhgDLp/YfdQ1FrhdB5+wdnS+X PkGVux/niaEF7COco66/C1RgN6j+D1vmUMe5zhUXwe/jjF3A+1oKja2yuEeGe2hK T/CH3W2j1diQv6wTXM9ZjFusat9Q9A1AT1Yyz74d9H1jEALV8FND0Z7ER1k9rjm8 RQuUNSQNXn5Fx4BJ2rHDew47rf8/vGsWTUhqvlKnUWqIrqlISKWvu2dsE0WdO1UD xhFi25mj2OY= =BuWP -----END PGP SIGNATURE-----