Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1892 Cisco AsyncOS Software ZIP Filtering Bypass Vulnerability 21 October 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Email Security Appliance Publisher: Cisco Systems Operating System: Cisco Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-3381 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3381 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco AsyncOS Software ZIP Filtering Bypass Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3381 CVE ID: CVE-2014-3381 Release Date: 2014 October 13 18:21 UTC (GMT) Last Updated: 2014 October 14 16:14 UTC (GMT) Summary A vulnerability in the ZIP inspection engine of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the engine protection and deliver malicious ZIP files. The vulnerability is due to improper implementation of the logic for analyzing the content of a ZIP file. An attacker could exploit this vulnerability by crafting the ZIP file before sending it through the system. Affected Products Product More Information CVSS Cisco Email Security Appliance (ESA) CSCup07934 5.0/4.1 What Is a Cisco Security Notice? The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco Security Notices to inform customers of low- to mid-level severity security issues involving Cisco products. Customers who wish to upgrade to a software version that includes fixes for these issues should contact their normal support channels. Free software updates will not be provided for issues that are disclosed through a Cisco Security Notice. For additional information about Cisco PSIRT publications, see the Cisco Security Vulnerability Policy at http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html Customers Using Third-Party Support Organizations Customers may have Cisco products that are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers. For these products, customers should consult their service providers or support organizations to ensure that any applied workaround or fix is the most appropriate in the intended network before it is deployed. Disclaimer THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. A stand-alone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy, and may lack important information or contain factual errors. - --------------------------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: 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 iQIVAwUBVEW3GhLndAQH1ShLAQJWihAAiDC3PHCDAwlO63ClJgUQkU16V6DiK4x0 L/S9jGM7Mqts0H5WgfboWTL9FsdiGcVjKIRgi4POKW2CECTp2mLgXwMB9AognWUZ tpB70lzelAzN4abzx+mmg3PUXIwVqjCq6UsVb6++aBeRUkP3ZTNWnkwpinfnXSr5 RVXLWEKiy9lmqjQCL1lejqtgIVSCqKO50rcsj8WuYDXXWbYSV5Azyxg0EHMlQAEY V46oE7VQDuBYMbaBN2T0u2fAa/bkw9lln6nYHUzJ5igJ/fCPltXurULA8rxi3d53 0uehxXxaJp59/D/V6vItOliLNnpC/lg1EbCP7EW3qeHFXKX8H3XYE0ucB4QtcSKv 5mK36voYf6tJWOOkJn5jlZ+gNiTHYQpjEVDJsUgy6rAHhgPjZR3aEBP2fEqH2rP6 gZqTNqVbDofnhcxubm4+ObxdC7AtcWiCaJ51TC3713/Tv7iNSEkIUbrrqGnvvIdU 3DVNVAIxVfBYwRdeU//vFcGw1OmCvf1ZTHSYaJncsK8ieA2m8GnEzyAXRdSpr3IZ j51ktWBzHM3iZSef+Y2BEKkzpRd13u8Vs0++D4cXxWHW+5XKaIifvqMRPXOOJEV1 sDctcFk3U27GBcB4uqc2XBm4JZL5gknZuaqaFiSZzusoniweZsKdaOEd8ehKCpIY Xg8Ro26u7dw= =lctL -----END PGP SIGNATURE-----