5/16/2023 0 Comments No vstack command ciscoOther Cisco devices do not have the show version command or may provide different output. The system banner confirms that the device is running Cisco IOS Software by displaying text similar to "Cisco Internetwork Operating System Software" or "Cisco IOS Software." The image name displays in parentheses, followed by "Version" and the Cisco IOS Software release name. To determine the Cisco IOS Software release that is running on a Cisco product, administrators can log in to the device and issue the show version command to display the system banner. The Role: Client in the output from the show vstack config command, confirms the feature is enabled on the device. Note: Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Note: Smart Install client functionality is enabled by default on Cisco IOS switches. Switch# show vstack config Role: Client Vstack Director IP address: 10.1.1.100 The following is the output of the show vstack config command in a Cisco Catalyst Switch configured as a Smart Install client: To determine if a Cisco IOS device is configured with the Smart Install client feature enabled, use the show vstack config privileged EXEC command on the Smart Install client. Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication" at the following link:Ĭisco devices that have affected Cisco IOS Software with the Smart Install client feature enabled are vulnerable. Each Cisco IOS Software Security Advisory lists the Cisco IOS Software releases that correct the vulnerability or vulnerabilities detailed in the advisory as well as the Cisco IOS Software releases that correct all Cisco IOS Software vulnerabilities in the March 2013 bundled publication. All advisories address vulnerabilities in Cisco IOS Software. Note: The March 27, 2013, Cisco IOS Software Security Advisory bundled publication includes seven Cisco Security Advisories. This advisory is available at the following link: There are no workarounds for devices that have the Smart Install client feature enabled. The Smart Install client feature in Cisco IOS Software contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.Īffected devices that are configured as Smart Install clients are vulnerable.Ĭisco has released software updates that address this vulnerability.
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