Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2204 Cisco Enterprise Chat and Email Attachment Download Vulnerability 20 June 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Enterprise Chat Publisher: Cisco Systems Operating System: Cisco Impact/Access: Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-1877 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190619-ecea-dwnload - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Enterprise Chat and Email Attachment Download Vulnerability Priority: Medium Advisory ID: cisco-sa-20190619-ecea-dwnload First Published: 2019 June 19 16:00 GMT Version 1.0: Final Workarounds: No workarounds availableCisco Bug IDs: CSCvo99235 CVE-2019-1877 CWE-200 CVSS Score: 6.5 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X Summary o A vulnerability in the HTTP API of Cisco Enterprise Chat and Email could allow an unauthenticated, remote attacker to download files attached through chat sessions. The vulnerability is due to insufficient authentication mechanisms on the file download function of the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to download files that other users attach through the chat feature. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/ cisco-sa-20190619-ecea-dwnload Affected Products o Vulnerable Products This vulnerability affects Cisco Enterprise Chat and Email. For information about affected software releases, consult the Cisco bug ID (s) at the top of this advisory. Products Confirmed Not Vulnerable Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability. Workarounds o There are no workarounds that address this vulnerability. Fixed Software o For information about fixed software releases , consult the Cisco bug ID(s) at the top of this advisory. When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page , to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. Exploitation and Public Announcements o The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. Source o This vulnerability was found during the resolution of a Cisco TAC support case. Cisco Security Vulnerability Policy o To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy . This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. URL o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/ cisco-sa-20190619-ecea-dwnload Revision History o +---------+---------------------------+---------+--------+---------------+ | Version | Description | Section | Status | Date | +---------+---------------------------+---------+--------+---------------+ | 1.0 | Initial public release. | - | Final | 2019-June-19 | +---------+---------------------------+---------+--------+---------------+ - --------------------------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: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXQrfvGaOgq3Tt24GAQj1bBAAgAvGa1oTIxMktpTXe5fU5x8X9K3gOKi7 GwNvnmhJoWiZyNoVpRVcrEMk/3/m2lzP4CMULKK1HvOKF6KAKwLnKJYuW28hzpd6 /HggOkcRyDlwtr6bhUoDl6ay4ZQ7rE74UTanGyBWA0pkwDMlLYMvFfRuwvBM0oms 8v+HYk3bxLGXsbCGLYuusDHF0Gz2Av1PSK8U5srUjxQy/rea8ydQ6e0GEgZtV08U rBTKmNHAGrGdeOvPQ6O1zOkLNmf9KlErg/5bR8G4FEsc1pwdGskG/tS4T1Dc4Xqg YPEkMNLidi2pl6hXB7O8dFGL4ErGcXndXa9LWPW6yhGAZYjFNa7FF8AEBmGY9TQR aNnZz6+IoGe6u+ADRa5zHYxnyN66oKL/4IwBH5/vsLqFLD1FFmw45oS7Xcydn+P0 YFgcPUIYCyTkhBH3IX5GdG0KeEaO6iJLtjLu4bZ8z0Q069IvfuwKosQIPGnAOFhM UCCUZwV9FC0k5UL8M8siVSdfpzhdKXwkdBZaKCrQkRqbYyqgIXtstKXfsyFsZhGh qKMWJgmcmt4VIdaYQTPiWitzdFJnJfRw8fq1fs4f1sSYMA4Xz+EaeIHp5OfATXMg p5hdGqwiAJs7iQZH9x9SoY9pMXRk15ZU/Y0cWC6Tssm6O4WsDQ6FcQYhg4tI+n8k kk0GiudshAs= =/GiF -----END PGP SIGNATURE-----