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Secunia Security Advisory 42082

Secunia Security Advisory 42082
Posted Nov 4, 2010
Authored by Secunia | Site secunia.com

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

tags | advisory, denial of service
SHA-256 | 306aae66fa412a25a0c489c505937bf67722c2a5ee8408ea297a540bfae81172

Secunia Security Advisory 42082

Change Mirror Download
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Join the beta:
http://secunia.com/products/corporate/vim/


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TITLE:
ISC DHCP Relay-Forward Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA42082

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42082/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42082

RELEASE DATE:
2010-11-04

DISCUSS ADVISORY:
http://secunia.com/advisories/42082/#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/42082/

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=42082

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

The vulnerability is caused due to an error when processing DHCPv6
"Relay-Forward" messages and can be exploited to cause a crash via a
packet with an empty "Link-Address" field.

Successful exploitation requires the server to be configured for
DHCPv6.

The vulnerability is reported in versions 4.0 through 4.2.

SOLUTION:
Update to version 4.0.2, 4.1.2, and 4.2.0-P1.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits John Gibbins.

ORIGINAL ADVISORY:
http://www.isc.org/software/dhcp/advisories/cve-2010-3611

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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