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Secunia Security Advisory 42421

Secunia Security Advisory 42421
Posted Nov 30, 2010
Authored by Secunia | Site secunia.com

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

tags | advisory, denial of service
systems | netbsd
SHA-256 | 3c5d90bc6dfd5d239e75e521ea63297ac91da8236876b3db44117be5875e020f

Secunia Security Advisory 42421

Change Mirror Download
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Request a free trial:
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TITLE:
NetBSD "udp6_output()" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA42421

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42421/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42421

RELEASE DATE:
2010-12-01

DISCUSS ADVISORY:
http://secunia.com/advisories/42421/#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/42421/

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=42421

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

The vulnerability is caused to an error in the "udp6_output()"
function in sys/netinet6/udp6_output.c when processing UDP6 datagram
packets and can be exploited to dereference an uninitialized pointer
causing the kernel to crash.

SOLUTION:
Fixed in the CVS repository (please see the vendor advisory for
details).

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Clement LECIGNE.

ORIGINAL ADVISORY:
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-013.txt.asc

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

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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