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AUSCERT External Security Bulletin Redistribution
ESB-2015.0337
Multiple vulnerabilities have been identified in Cisco IOS Software
11 February 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco IOS
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0606 CVE-2015-0593 CVE-2015-0592
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0592
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0593
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0606
Comment: This bulletin contains three (3) Cisco Systems security advisories.
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Cisco Security Notice Cisco IOS Software Kernel Timer Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0592
CVE ID: CVE-2015-0592
Release Date: 2015 February 9 20:14 UTC (GMT)
Last Updated: 2015 February 10 20:59 UTC (GMT)
Summary
A vulnerability in the kernel timers in Cisco IOS Software could allow an
unauthenticated, remote attacker to trigger a reload of the affected device.
The vulnerability is due to improper management of kernel timers. An attacker
could exploit this vulnerability by sending crafted traffic, causing updates
to timers used by the Zone-Based Firewall feature.
Affected Products
Product More Information CVSS
IOS CSCuh25672 5.4/4.5
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/web/about/security/psirt/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
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 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.
- -------------------------------------------------------------------------------
Cisco Security Notice
Cisco IOS Software Zone-Based Firewall Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0593
CVE ID: CVE-2015-0593
Release Date: 2015 February 9 20:16 UTC (GMT)
Last Updated: 2015 February 9 20:16 UTC (GMT)
Summary
A vulnerability in the Zone-Based Firewall feature of Cisco IOS Software could
allow an unauthenticated, remote attacker to cause an affected device to
reload.
The vulnerability is due improper management of specific internal structures
linked to firewall session objects. An attacker could exploit this
vulnerability by sending crafted traffic through the firewall feature. An
exploit could allow the attacker to cause a denial of service (DoS) condition.
Affected Products
Product More Information CVSS
IOS CSCul65003 5.4/4.5
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/web/about/security/psirt/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
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 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.
- -------------------------------------------------------------------------------
Cisco Security Notice
Cisco IOS Shell Denial of Service Vulnerability
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0606
CVE ID: CVE-2015-0606
Release Date: 2015 February 10 01:55 UTC (GMT)
Last Updated: 2015 February 10 01:55 UTC (GMT)
Summary
A vulnerability in the Cisco IOS Shell could allow an authenticated, but
unprivileged, local user to crash the device.
The vulnerability is due to improper processing of IOS Shell commands. An
attacker could repeatedly exploit this vulnerability to cause an extended
denial of service.
Affected Products
Product More Information CVSS
IOS CSCur59696 4.6/3.8
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/web/about/security/psirt/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
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 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.
- --------------------------END INCLUDED TEXT--------------------
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