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AUSCERT External Security Bulletin Redistribution
ESB-2013.1632
Cisco Unified IP Phone 8900/9900 Series Insecure File
Permissions Vulnerability
14 November 2013
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Unified IP Phones 9900 Series
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Administrator Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2013-6685
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6685
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Cisco Security Notice
Cisco Unified IP Phone 8900/9900 Series Insecure File Permissions
Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6685
CVE ID: CVE-2013-6685
Release Date: 2013 November 12 20:48 UTC (GMT)
Last Updated: 2013 November 13 15:20 UTC (GMT)
Related Documents:
Summary
A vulnerability in Cisco Unified IP Phone 9951, Cisco Unified IP Phone 9971,
and Cisco Unified IP Phone 8961 could allow an authenticated, local attacker
to fully compromise the affected device.
The vulnerability is due to insecure file permissions on memory block devices.
An attacker could exploit this vulnerability by mounting a malicious
filesystem that contains an attacker-controlled SUID binary. An exploit could
allow the attacker to take complete control of the affected device.
Cisco would like to thank Red Balloon Security for reporting this
vulnerability.
Affected Products
Product More Information CVSS
Cisco Unified IP Phones 9900 Series Firmware CSCui04382 6.8/5.6
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
Security Notice.
For additional information about Cisco PSIRT publications, see the Cisco
Security Vulnerability Policy at
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
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.
Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
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LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO
CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A stand-alone copy or paraphrase of the text of this document that omits the
distribution URL is an uncontrolled copy, and may lack important information
or contain factual errors.
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