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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2680 Cisco Small Business SPA500 Series IP Phones Local Command Execution Vulnerability 18 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Small Business SPA500 Series IP Phones Publisher: Cisco Systems Operating System: Cisco Impact/Access: Execute Arbitrary Code/Commands -- Console/Physical Resolution: Patch/Upgrade CVE Names: CVE-2019-1923 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-spa500-command - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Small Business SPA500 Series IP Phones Local Command Execution Vulnerability Priority: Medium Advisory ID: cisco-sa-20190717-spa500-command First Published: 2019 July 17 16:00 GMT Version 1.0: Final Workarounds: No workarounds availableCisco Bug IDs: CSCvp40762CSCvp40765 CVE-2019-1923 CWE-77 CVSS Score: 6.6 AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X Summary o A vulnerability in Cisco Small Business SPA500 Series IP Phones could allow a physically proximate attacker to execute arbitrary commands on the device. The vulnerability is due to improper input validation in the device configuration interface. An attacker could exploit this vulnerability by accessing the configuration interface, which may require a password, and then accessing the device's physical interface and inserting a USB storage device. A successful exploit could allow the attacker to execute arbitrary commands on the device in an elevated security context. 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-20190717-spa500-command Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco Small Business SPA500 Series IP Phones firmware releases 7.6.2SR5 and prior. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. 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 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. Fixed Releases For information about fixed software releases, see the Details section in the bug ID(s) at the top of this advisory. 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 Cisco would like to thank Dustin Cobb of Aon's Cyber Labs for reporting this vulnerability. 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-20190717-spa500-command Revision History o +---------+---------------------------+---------+--------+---------------+ | Version | Description | Section | Status | Date | +---------+---------------------------+---------+--------+---------------+ | 1.0 | Initial public release. | - | Final | 2019-July-17 | +---------+---------------------------+---------+--------+---------------+ - --------------------------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. 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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 iQIVAwUBXS/2lGaOgq3Tt24GAQinzA/+Na/xAQLCJpN2JrxjEFKITXvhHdrr1qP1 DRG25o7Jl/mTRjUKlEiUcGxHi9Msz5BgqzbC4gcKYpbz0f8Gp127rNlberLZnneu BHasi6oZBWtDEDQpYc5U3l5bLwHPlcaCIfblsezis8MtZtkHaALRbovblHUb+HjM VfzQaC7nxcYbPs8ytvSIBMmk8Qffhj1Coawyjmz9uEvmH+0uMPcixYaCEnsD7Kr+ gmwPnH3pQG8nN7iO+EFZrXo40axdkb++lvakuYzxWhkj7E04hSGef0v4NoS4Gv8Q +GF3SI2FWmlfx06IBiBKg36FtQIx1AoGoNMWXou+1kcyqAr5lR64MDVmGiZflAXM knok9JA65UNMHHNDHsIzdnqcz8lxr9lidd+NKwH3KukbtM7x4ab+azt9eRStYap3 C1XMmElI4rp8iG7PTq6CdCIwEo+nKR/XAqlrTxMD/MvrRwyTHE1nSZe+EIa0tOyL 8mDupWczVT3Txt2GYRwCwS36mtCtyTAMuLFbD4SQoOj0t9dLYtpqgEdNGifP7IHL ypmaoFbAg6tPPA5h/DRcWKJwOv0l5VqOqWyeq0K3TEbbILHDMNattEjZokMRdA5B 7xSPzfDnjiPPlVaipiHp/qeiSNz6OTB1fxLhNxXJVook6/zQVGSllrmX1nY2PurK UHdeKHB1ZX8= =ntxP -----END PGP SIGNATURE-----