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AUSCERT External Security Bulletin Redistribution
ESB-2016.1750
Cisco IOS XR Software Command Injection Vulnerability
15 July 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco IOS XR Software
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Root Compromise -- Existing Account
Resolution: Mitigation
CVE Names: CVE-2016-1456
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160714-ios-xr
Comment: There are currently no patches for this vulnerability. AusCERT
recommends that administrators consider risk reduction strategies such
as restricting user permissions.
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Cisco Security Advisory
Cisco IOS XR Software Command Injection Vulnerability
Medium
Advisory ID:
cisco-sa-20160714-ios-xr
Published:
2016 July 14 08:00 GMT
Version 1.0:
Final
CVSS Score:
Base - 6.8
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuz62721
CVE-2016-1456
CWE-78
Summary
A vulnerability in the command-line utility of Cisco IOS XR Software could
allow an authenticated, local attacker to execute arbitrary commands on the
host operating system with elevated privileges.
The vulnerability is due to insufficient input validation. An attacker could
exploit this vulnerability by submitting crafted input to a command in a
specific container. A successful exploit could allow the attacker to execute
arbitrary commands on the affected system with root privileges.
Cisco has not released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160714-ios-xr
Affected Products
Vulnerable Products
This vulnerability affects Cisco IOS XR Software Release 6.0.1.BASE.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
Cisco provides information about fixed software in Cisco bugs, which are
accessible through the Cisco Bug Search Tool.
When considering software upgrades, customers are advised to consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories to determine exposure and a complete upgrade
solution.
In all cases, customers should ensure that the devices to upgrade 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.
Exploitation and Public Announcements
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.
URL
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160714-ios-xr
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-July-14
Legal 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
FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS
LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO
CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone 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. The information in this document is intended for end
users of Cisco products.
- --------------------------END INCLUDED TEXT--------------------
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