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Secunia Security Advisory 47630

Secunia Security Advisory 47630
Posted Jan 20, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Asterisk, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | 343df56cb96efed48a2cdc4242a0e88be5b0e025c67d6d5b9e87c798a124aab4

Secunia Security Advisory 47630

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TITLE:
Asterisk SRTP Video Stream Negotiation Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA47630

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47630/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47630

RELEASE DATE:
2012-01-20

DISCUSS ADVISORY:
http://secunia.com/advisories/47630/#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/47630/

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=47630

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

The vulnerability is caused due to an error within the handling of
encrypted streams when negotiating a SRTP video stream and can be
exploited to cause a crash.

Successful exploitation requires that video support is not been
enabled and the res_srtp module is loaded.

The vulnerability is reported in versions prior to 10.0.1 and 1.8.8.2

SOLUTION:
Update to version 10.0.1 or 1.8.8.2.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Catalin Sanda.

ORIGINAL ADVISORY:
http://downloads.asterisk.org/pub/security/AST-2012-001.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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