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Secunia Security Advisory 51689

Secunia Security Advisory 51689
Posted Jan 3, 2013
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Two vulnerabilities have been reported in Asterisk, which can be exploited by malicious users and malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
SHA-256 | 662bab53ab82508f640119860572586ff03692e8b32c59cdb43d90de16c537b9

Secunia Security Advisory 51689

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Asterisk Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA51689

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51689/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51689

RELEASE DATE:
2013-01-03

DISCUSS ADVISORY:
http://secunia.com/advisories/51689/#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/51689/

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=51689

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:
Two vulnerabilities have been reported in Asterisk, which can be
exploited by malicious users and malicious people to cause a DoS
(Denial of Service).

1) An error when handling TCP sessions can be exploited to cause a
stack overflow and crash the service.

2) An error when handling device state caches can be exploited to
consume excessive system resources.

The vulnerabilities are reported in versions 1.8.x, 10.x, and 11.x.

SOLUTION:
Update to version 1.8.19.1, 10.11.1, or 11.1.1.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Walter Doekes
2) Russell Bryant

ORIGINAL ADVISORY:
http://downloads.asterisk.org/pub/security/AST-2012-014.html
http://downloads.asterisk.org/pub/security/AST-2012-015.html

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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