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Secunia Security Advisory 50189

Secunia Security Advisory 50189
Posted Aug 13, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - IOActive has discovered a vulnerability in FreeBSD, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
systems | freebsd
MD5 | 32a45c41ea7a1acf54504e4db086874b

Secunia Security Advisory 50189

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TITLE:
FreeBSD SCTP ASCONF Chunk Processing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA50189

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50189/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50189

RELEASE DATE:
2012-08-10

DISCUSS ADVISORY:
http://secunia.com/advisories/50189/#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/50189/

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=50189

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:
IOActive has discovered a vulnerability in FreeBSD, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is cause due to a NULL pointer dereference error
when handling ASCONF chunks and can be exploited to cause a kernel
panic via a specially crafted verification tag sent in a SCTP
packet.

The vulnerability is confirmed in version 8.1. Other versions may
also be affected.

SOLUTION:
No official solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
Shaun Colley, IOActive.

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/20226/

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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