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TITLE:
Cisco ASA 5500 Series Multicast Traffic Denial of Service

SECUNIA ADVISORY ID:
SA42942

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42942/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42942

RELEASE DATE:
2011-01-17

DISCUSS ADVISORY:
http://secunia.com/advisories/42942/#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/42942/

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=42942

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 ASA (Adaptive Security
Appliance) 5500 Series, which can be exploited by malicious people to
cause a DoS (Denial of Service).

The vulnerability is caused due to an unspecified error when handling
multicast traffic and can be exploited to exhaust certain resources
(1550 blocks).

The vulnerability is reported in version 8.2(4) and prior.

SOLUTION:
Restrict access to trusted hosts only (e.g. via network access
control lists).

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

ORIGINAL ADVISORY:
http://www.cisco.com/en/US/docs/security/asa/asa82/release/notes/asarn82.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.

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Definitions: (Criticality, Where etc.)
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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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