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AUSCERT External Security Bulletin Redistribution
Cisco Unified IP Phones 9900 Series Image Upgrade Command
15 October 2013
AusCERT Security Bulletin Summary
Product: Cisco Unified IP Phones 9900
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
CVE Names: CVE-2013-5533
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Cisco Security Notice
Cisco Unified IP Phones 9900 Series Image Upgrade Command Injection
CVE ID: CVE-2013-5533
Release Date: 2013 October 10 17:59 UTC (GMT)
Last Updated: 2013 October 11 15:09 UTC (GMT)
A vulnerability in the image upgrade facility of Cisco Unified IP Phones 9900
Series could allow an authenticated, local attacker to execute commands within
the context of the underlying operating system.
The vulnerability is due to insufficient sanitization of input during the
image upgrade process. An attacker could exploit this vulnerability by
inserting shell commands into a parameter using common techniques.
Product More Information CVSS
Cisco Unified IP Phones 9900 CSCuh10334 6.0/4.7
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
For additional information about Cisco PSIRT publications, see the Cisco
Security Vulnerability Policy at
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.
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