Advisory ID: cisco-sa-20100303-dmpRevision 1.0
For Public Release 2010 March 3 16:00 UTC (GMT)
A vulnerability exists in the Cisco Digital Media Player that could
allow an unauthenticated attacker to inject video or data content into a remote
display.
Cisco has released free software updates that address this
vulnerability. There are no workarounds available to mitigate this
vulnerability.
This additional advisory is posted at
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100303-dmp.
Note: This advisory is being released simultaneously with a multiple
vulnerability disclosure advisory that impacts the Cisco Digital Media Manager.
This advisory is posted at
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100303-dmm.
Cisco Digital Media Player versions earlier than 5.2 are affected by
this vulnerability.
No other Cisco products are currently known to be affected by this
vulnerability.
Cisco Digital Media Players are IP-based endpoints that can play
high-definition live and on-demand video, motion graphics, web pages, and
dynamic content on digital displays. The Cisco Digital Media Player contains a
vulnerability that could allow an unauthenticated attacker to inject video or
data content into a remote display.
This vulnerability is documented in Cisco Bug ID
CSCtc46024
(
registered customers only)
and has been assigned Common
Vulnerabilities and Exposures (CVE) identifier CVE-2010-0573.
Cisco has provided scores for the vulnerability in this advisory based
on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this
Security Advisory is done in accordance with CVSS version 2.0.
CVSS is a standards-based scoring method that conveys
vulnerability severity and helps determine urgency and priority of response.
Cisco has provided a base and temporal score. Customers can
then compute environmental scores to assist in determining the impact of the
vulnerability in individual networks.
Cisco has provided an FAQ to answer additional questions
regarding CVSS at
http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html.
Cisco has also provided a CVSS calculator to help compute
the environmental impact for individual networks at
http://intellishield.cisco.com/security/alertmanager/cvss.
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CSCtc46024 - Remote Display Unauthorized Content Injection
Calculate the environmental score of
CSCtc46024
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CVSS Base Score - 8.5
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Access Vector
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Access Complexity
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Authentication
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Confidentiality Impact
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Integrity Impact
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Availability Impact
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Network
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Low
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None
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None
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Partial
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Complete
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CVSS Temporal Score - 7
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Exploitability
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Remediation Level
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Report Confidence
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Functional
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Official-Fix
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Confirmed
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Successful exploitation of the vulnerability could allow an
unauthenticated attacker to inject video or data content into a remote
display.
When considering software upgrades, also consult
http://www.cisco.com/go/psirt
and any subsequent advisories to determine exposure and a complete upgrade
solution.
In all cases, customers should exercise caution to be
certain the devices to be upgraded contain sufficient memory and that current
hardware and software configurations will continue to be supported properly by
the new release. If the information is not clear, contact the Cisco Technical
Assistance Center (TAC) or your contracted maintenance provider for assistance.
This vulnerability has been fixed in Cisco Digital Media Player version
5.2.
There are no workarounds to mitigate this vulnerability.
Cisco has released free software updates that address this
vulnerability. Prior to deploying software, customers should consult their
maintenance provider or check the software for feature set compatibility and
known issues specific to their environment.
Customers may only install and expect support for the
feature sets they have purchased. By installing, downloading, accessing or
otherwise using such software upgrades, customers agree to be bound by the
terms of Cisco's software license terms found at
http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html
, or as otherwise set forth at Cisco.com Downloads at
http://www.cisco.com/public/sw-center/sw-usingswc.shtml
.
Do not contact psirt@cisco.com or security-alert@cisco.com
for software upgrades.
Customers with contracts should obtain upgraded software through their
regular update channels. For most customers, this means that upgrades should be
obtained through the Software Center on Cisco's worldwide website at
http://www.cisco.com.
Customers whose Cisco products are provided or maintained through prior
or existing agreements with third-party support organizations, such as Cisco
Partners, authorized resellers, or service providers should contact that
support organization for guidance and assistance with the appropriate course of
action in regards to this advisory.
The effectiveness of any workaround or fix is dependent on
specific customer situations, such as product mix, network topology, traffic
behavior, and organizational mission. Due to the variety of affected products
and releases, customers should consult with their service provider or support
organization to ensure any applied workaround or fix is the most appropriate
for use in the intended network before it is deployed.
Customers who purchase direct from Cisco but do not hold a Cisco
service contract, and customers who purchase through third-party vendors but
are unsuccessful in obtaining fixed software through their point of sale should
acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC
contacts are as follows.
-
+1 800 553 2447 (toll free from within North America)
-
+1 408 526 7209 (toll call from anywhere in the world)
-
e-mail: tac@cisco.com
Customers should have their product serial number available and be
prepared to give the URL of this notice as evidence of entitlement to a free
upgrade. Free upgrades for non-contract customers must be requested through the
TAC.
Refer to
http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html
for additional TAC contact information, including localized telephone numbers,
and instructions and e-mail addresses for use in various languages.
The Cisco PSIRT is not aware of any public announcements or malicious
use of the vulnerability described in this advisory.
This vulnerability was reported to Cisco by the National
Australia Bank's Security Assurance team. Cisco PSIRT appreciates the
opportunity to work with researchers on security vulnerabilities and welcomes
the opportunity to review and assist in product reports.
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 in the following section is an uncontrolled copy, and may lack important information or contain factual errors.
This advisory is posted on Cisco's worldwide website at :
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100303-dmp
In addition to worldwide web posting, a text version of
this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the
following e-mail and Usenet news recipients.
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cust-security-announce@cisco.com
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first-bulletins@lists.first.org
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bugtraq@securityfocus.com
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vulnwatch@vulnwatch.org
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cisco@spot.colorado.edu
-
cisco-nsp@puck.nether.net
-
full-disclosure@lists.grok.org.uk
-
comp.dcom.sys.cisco@newsgate.cisco.com
Future updates of this advisory, if any, will be placed on Cisco's
worldwide website, but may or may not be actively announced on mailing lists or
newsgroups. Users concerned about this problem are encouraged to check the
above URL for any updates.
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Revision 1.0
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2010-March-03
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Initial public release.
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