From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Apr 18 2013 - 18:36:35 CDT

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TITLE:
Cisco Adaptive Security Appliance Secondary Flows Lookup Denial of
Service Vulnerability

SECUNIA ADVISORY ID:
SA53039

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/53039/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=53039

RELEASE DATE:
2013-04-18

DISCUSS ADVISORY:
http://secunia.com/advisories/53039/#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/53039/

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=53039

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

The vulnerability is caused due to a race condition error when
performing a non-optimal look-up of the hash of a secondary flow
within the connection table and can be exploited to exhaust CPU
resources via a large number of SIP sessions to multiple destination
IP addresses.

The vulnerability is reported in version 8.4(3). Other versions may
also be affected.

SOLUTION:
No official solution is currently available.

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

ORIGINAL ADVISORY:
Cisco (CSCue31622, CSCuc71272):
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-5415

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
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vulnerabilities.

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