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AUSCERT External Security Bulletin Redistribution
ESB-2016.2231
Cisco IOS and IOS XE Vulnerabilities
22 September 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco IOS and IOS XE
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote with User Interaction
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-6414 CVE-2016-6412 CVE-2016-6410
CVE-2016-6409
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-dmo
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-caf
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-iox
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-caf1
Comment: This bulletin contains four (4) Cisco Systems security advisories.
There are currently no patches for CVE-2016-6414. AusCERT recommends
administrators consider risk reduction strategies such as reviewing
user accounts on the device and disabling unnecessary accounts where
possible.
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Cisco IOS and IOS XE Software Data in Motion Component Denial of Service
Vulnerability
Medium
Advisory ID:
cisco-sa-20160921-dmo
First Published:
2016 September 21 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuy54015
CVSS Score:
Base 4.3, Temporal 3.6
CVE-2016-6409
CWE-399
Summary
A vulnerability in the Cisco Data in Motion (DMo) component for Cisco IOS and
IOS XE Software with the IOx feature set could allow an unauthenticated,
remote attacker to cause a partial denial of service (DoS) condition for the
DMo process on a targeted system.
The vulnerability is due to insufficient bounds checks by the affected
component. An attacker could exploit this vulnerability by sending crafted
traffic to a targeted system for processing by the affected component. A
successful exploit could allow the attacker to cause a partial DoS condition
for the affected component on the targeted system.
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:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-dmo
Affected Products
Vulnerable Products
This vulnerability affects Cisco IOS and IOS XE Software with the IOx feature
set.
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 regularly consult
the advisories for Cisco products, which are available from the Cisco Security
Advisories and Alerts 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.
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-20160921-dmo
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-September-21
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.
- ---
Cisco IOS and IOS XE Software Application-Hosting Framework Unauthorized File
Access Vulnerability
Medium
Advisory ID:
cisco-sa-20160921-caf
First Published:
2016 September 21 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuy19856
CVSS Score:
Base 6.8, Temporal 5.6
CVE-2016-6410
CWE-20
Summary
A vulnerability in the Cisco application-hosting framework (CAF) for Cisco IOS
and IOS XE Software with the IOx feature set could allow an authenticated,
remote attacker to read arbitrary files on a targeted system.
The vulnerability is due to insufficient input validation by the affected
framework. An attacker could exploit this vulnerability by submitting
specific, crafted input to the affected framework. A successful exploit could
allow the attacker to read arbitrary files on the targeted system.
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:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-caf
Affected Products
Vulnerable Products
This vulnerability affects Cisco IOS and IOS XE Software with the IOx feature
set.
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 regularly consult
the advisories for Cisco products, which are available from the Cisco Security
Advisories and Alerts 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.
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-20160921-caf
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-September-21
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.
- ---
Cisco IOS and IOS XE iox Command Injection Vulnerability
Medium
Advisory ID:
cisco-sa-20160921-iox
First Published:
2016 September 21 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuz59223
CVSS Score:
Base 6.8, Temporal 6.5
CVE-2016-6414
CWE-78
Summary
A vulnerability exists in the iox command in Cisco IOS and IOS XE Software
that could allow an authenticated, local attacker to perform command injection
into the IOx Linux guest operating system (GOS).
This vulnerability is due to insufficient input validation of iox command line
arguments. An attacker could exploit this vulnerability by providing crafted
options to the iox command. An exploit could allow the attacker to execute
commands of their choice in the Linux GOS.
Cisco has not released software updates that address this vulnerability.
Workarounds that address this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-iox
Affected Products
Vulnerable Products
Cisco IOS and IOS XE Software are vulnerable.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds
Workarounds that address this vulnerability are not available.
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 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.
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-20160921-iox
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-September-21
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.
- ---
Cisco Application-Hosting Framework HTTP Header Injection Vulnerability
Medium
Advisory ID:
cisco-sa-20160921-caf1
First Published:
2016 September 21 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuz84773
CVSS Score:
Base 4.3, Temporal 3.6
CVE-2016-6412
CWE-20
Summary
A vulnerability in the Cisco Application-hosting Framework (CAF) component for
Cisco IOS and IOS XE Software with the IOx feature set could allow an
unauthenticated, remote attacker to cause a CAF user to download a file
controlled by the attacker.
The vulnerability is due to insufficient input validation. An attacker could
exploit this vulnerability by injecting crafted HTTP headers into the
communication path between the user and CAF. An exploit could allow the
attacker to force the user to download a file controlled by the attacker.
Cisco has released software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-caf1
Affected Products
Vulnerable Products
Cisco IOS and IOS XE Software with the IOx feature set are affected by this
vulnerability.
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 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.
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-20160921-caf1
Revision History
Version Description Section Status Date
1.0 Initial public release - Final 2016-September-21
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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