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TITLE:
Cisco Firewall Services Module PIM Processing Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA48421

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48421/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48421

RELEASE DATE:
2012-03-15

DISCUSS ADVISORY:
http://secunia.com/advisories/48421/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/48421/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=48421

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Cisco Firewall Services Module
(FWSM), which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to an error when processing Protocol
Independent Multicast (PIM) messages, which can be exploited to
reload a device by sending a specially crafted PIM message.

Successful exploitation requires multicast routing to be enabled
(disabled by default).

The vulnerability is reported in versions 3.1, 3.2, 4.0, and 4.1.

SOLUTION:
Update to version 3.2(23) or 4.1(8) when available (please see the
vendor's advisory for details).

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120314-fwsm

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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