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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1551 ESA-2017-054: EMC Avamar Multiple Vulnerabilities 21 June 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: EMC Avamar Server Software Publisher: EMC Operating System: Windows UNIX variants (UNIX, Linux, OSX) Virtualisation Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Create Arbitrary Files -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-4990 CVE-2017-4989 - --------------------------BEGIN INCLUDED TEXT-------------------- ESA-2017-054: EMC Avamar Multiple Vulnerabilities EMC Identifier: ESA-2017-054 CVE Identifiers: CVE-2017-4989, CVE-2017-4990 Affected products: EMC Avamar Server Software 7.4.1-58, 7.4.0-242 (CVE-2017-4990) EMC Avamar Server Software 7.3.1-125, 7.3.0-233, 7.3.0-226 (CVE-2017-4989, CVE-2017-4990) EMC Avamar Server Software 7.2.1-32, 7.2.1-31, 7.2.0-401 (CVE-2017-4989) Severity Rating: See below for individual scores Summary: EMC Avamar Server contains security vulnerabilities that may potentially be exploited by malicious users to compromise the affected system. Details: EMC Avamar Server Authentication Bypass Vulnerability (CVE-2017-4989) An unauthenticated remote attacker may potentially bypass the authentication process to gain access to the system maintenance page. This may be exploited by an attacker to view sensitive information, perform software updates, or run maintenance workflows. CVSS v3 Base Score: 8.2 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N) EMC Avamar Server Unauthorized File Upload Vulnerability (CVE-2017-4990) An unauthorized attacker may leverage the file upload feature of the system maintenance page to load a maliciously crafted file to any directory which could allow the attacker to execute arbitrary code on the Avamar Server system. CVSS v3 Base Score: 10.0 (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) Resolution: Resolutions are available for the following EMC Avamar releases: Avamar Server Version 7.4.1 with Hotfix 279294 Avamar Server Version 7.3.1 with Hotfix 276676 Avamar Server Version 7.2.1 with Hotfix 277897 EMC recommends all customers apply the appropriate hotfix at the earliest opportunity. Link to remedies: To upgrade your EMC Avamar system, contact your account representative or EMC Remote Proactive Customer Support at https://support.emc.com and refer to this article number. Read and use the information in this EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this product alert, contact EMC Software Technical Support at 1-877-534-2867. For an explanation of Severity Ratings, refer to EMC Knowledgebase solution emc218831. EMC recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability. EMC recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. EMC disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event, shall EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if EMC 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 foregoing limitation may not apply. - --------------------------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. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBWUnKVIx+lLeg9Ub1AQiKQw/+PHRq5DzpS4GHxf/O0buk98oqkILarqOe unJccA37Nt40G2jjEbqtKxH2iDMt4D/ErrPNwGlg74goY6D/7802E23dncDjCfKm I308UWYr6jOSPVyLjKoZ4CDECDuClPaYQZEH4nVmn1IqznIhEczoM8j4vvI3O475 NxfJp7T/Al995FyIeqB/42Og+XNaHwI8eER4LJjAWheiZsJme+YmyA6q3FryvFyF vgh0iW0GtkWy7gXqQ/lwwI6wJCPkV/PSAbIObVZL1GJPMQ5lemuj/PgwAm16tDzq c2ErIlnKiuzG28XcEQt5ccdkCyUcJxY5lbamPDolGVmMLmsl4+0L2JHH0DPTFyy4 5PsAtjw4kQjYF3VlT25UEIdPtTJGEVwcbdWv6KNOtpwcu+NZa1E/tTNRWMpUkeb6 /uOve1/tvXiSaUQkDsAZcCD9LKziTW8DoRwTdK2Wgpkt98kn857jPLXGB4UpJAz5 Fp/BCErnezQ49JrVjsoXCYzN6mFdegQcpy0gyEuFudd6A+0DLxogRG+ixIgda/MW e7HntHJjES4MnPNr2kflDVC9iGEi9TQgKvrjV8SvZH4SgunzbbkmOq2Cl+sq7uro ZnmB3hJo/BakDFq4r7EC+lXOmDO5I83xJ2CxA82IElp+xGCgzz7yZBoePG+5I7rB NAmi5Dzdfak= =klBO -----END PGP SIGNATURE-----