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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3317
    Cisco Intersight Virtual Appliance Command Injection Vulnerability
                              7 October 2021

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Intersight Virtual Appliance
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-34748  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-command-inject-CGyC8y2R

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Cisco Intersight Virtual Appliance Command Injection Vulnerability

Priority:        High
Advisory ID:     cisco-sa-ucsi2-command-inject-CGyC8y2R
First Published: 2021 October 6 16:00 GMT
Version 1.0:     Final
Workarounds:     No workarounds available
Cisco Bug IDs:   CSCvz08353
CVE Names:       CVE-2021-34748
CWEs:            CWE-77

Summary

  o A vulnerability in the web-based management interface of Cisco Intersight
    Virtual Appliance could allow an authenticated, remote attacker to perform
    a command injection attack on an affected device.

    This vulnerability is due to insufficient input validation. An attacker
    could exploit this vulnerability by using the web-based management
    interface to execute a command using crafted input. A successful exploit
    could allow the attacker to execute arbitrary commands using root -level
    privileges on an affected device.

    Cisco has released software updates that address this vulnerability. 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-ucsi2-command-inject-CGyC8y2R

Affected Products

  o Vulnerable Products

    This vulnerability affects Cisco Intersight Virtual Appliance.

    For information about which Cisco software releases are vulnerable, see the
    Fixed Software section of this advisory.

    To determine which release of Cisco Intersight Virtual Appliance is running
    on a device, click the gear icon in the top right corner of the web-based
    management interface, and then choose Settings > Software .

    Products Confirmed Not Vulnerable

    Only products listed in the Vulnerable Products section of this advisory
    are known to be affected by this vulnerability.

    Cisco has confirmed that this vulnerability does not affect Cisco
    Intersight Services for Cloud.

Workarounds

  o There are no workarounds that address this vulnerability.

Fixed Software

  o Cisco has released free software updates that address the vulnerability
    described in this advisory. Customers may only install and expect support
    for software versions and feature sets for which they have purchased a
    license. By installing, downloading, accessing, or otherwise using such
    software upgrades, customers agree to follow the terms of the Cisco
    software license:
    https://www.cisco.com/c/en/us/products/end-user-license-agreement.html

    Additionally, customers may only download software for which they have a
    valid license, procured from Cisco directly, or through a Cisco authorized
    reseller or partner. In most cases this will be a maintenance upgrade to
    software that was previously purchased. Free security software updates do
    not entitle customers to a new software license, additional software
    feature sets, or major revision upgrades.

    When considering software upgrades , customers are advised to regularly
    consult the advisories for Cisco products, which are available from the
    Cisco Security Advisories 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.

    Customers Without Service Contracts

    Customers who purchase directly from Cisco but do not hold a Cisco service
    contract and customers who make purchases through third-party vendors but
    are unsuccessful in obtaining fixed software through their point of sale
    should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c
    /en/us/support/web/tsd-cisco-worldwide-contacts.html

    Customers should have the product serial number available and be prepared
    to provide the URL of this advisory as evidence of entitlement to a free
    upgrade.

    Fixed Releases

    In the following table(s), the left column lists Cisco software releases.
    The right column indicates whether a release is affected by the
    vulnerability described in this advisory and the first release that
    includes the fix for this vulnerability. Customers are advised to upgrade
    to an appropriate fixed software release as indicated in this section.

    Cisco Intersight Virtual Appliance Release          First Fixed Release
    Earlier than 1.0.9-150                              Not vulnerable.
    1.0.9-150 to 1.0.9-292                              1.0.9-302

    The Cisco Product Security Incident Response Team (PSIRT) validates only
    the affected and fixed release information that is documented in this
    advisory.

Exploitation and Public Announcements

  o The Cisco 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 internal security testing.

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-ucsi2-command-inject-CGyC8y2R

Revision History

  o +----------+---------------------------+----------+--------+--------------+
    | Version  |        Description        | Section  | Status |     Date     |
    +----------+---------------------------+----------+--------+--------------+
    | 1.0      | Initial public release.   | -        | Final  | 2021-OCT-06  |
    +----------+---------------------------+----------+--------+--------------+

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