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Secunia Security Advisory 48423

Secunia Security Advisory 48423
Posted Mar 15, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Multiple vulnerabilities have been reported in Cisco Adaptive Security Appliances (ASA), which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
systems | cisco
MD5 | dfaa452d3320451777d6f704b3771fb2

Secunia Security Advisory 48423

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TITLE:
Cisco Adaptive Security Appliances Multiple Denial of Service
Vulnerabilities

SECUNIA ADVISORY ID:
SA48423

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48423/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48423

RELEASE DATE:
2012-03-15

DISCUSS ADVISORY:
http://secunia.com/advisories/48423/#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/48423/

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=48423

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:
Multiple vulnerabilities have been reported in Cisco Adaptive
Security Appliances (ASA), which can be exploited by malicious people
to cause a DoS (Denial of Service).

1) An error exists in the UDP inspection engine due to improper flow
handling and can be exploited to reload a device by sending a
specially crafted sequence of UDP packets that transit the
appliance.

Successful exploitation of this vulnerability requires the UDP
inspection engine to be enabled.

2) An error in the threat detection feature when handling shun events
can be exploited to reload a device by sending specially crafted IP
packets that transit the appliance.

3) An error in the system log (syslog) feature when generating a
syslog message with message ID 305006 can be exploited to reload a
device by sending a specially crafted sequence of IP packets that
transit the appliance.

Note: The vulnerabilities #1 through #3 only affect Cisco Adaptive
Security Appliance (ASA) 8.x versions of the Cisco ASA 5500 Series
and Cisco Catalyst 6500 Series ASA Services Module.

4) An error exists when processing Protocol Independent Multicast
(PIM) messages.

For more information:
SA48421

Note: This vulnerability only affects the Cisco ASA 5500 Series and
Cisco Catalyst 6500 Series ASA Services Module.

Successful exploitation of the vulnerabilities #2 and #4 requires the
device to be configured for single context mode.

Please see the vendor's advisory for a list of affected versions.

SOLUTION:
Update to a fixed version (please see the vendor's advisory for
details).

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

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

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/

----------------------------------------------------------------------

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:
http://secunia.com/advisories/secunia_security_advisories/

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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