Isc dhcp IPv6 lease expiration Processing Denial of Service Vulnerability

Release date:
Updated on:

Affected Systems:
Isc dhcp Server 4.x
Description:
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Bugtraq id: 55530
Cve id: CVE-2012-3955

ISC is Intel's server management software. Isc dhcp is an open source DHCP server implementation.

Isc dhcp has an error when handling valid IPv6 lease expiration time. If the lease time is reduced, the server may crash.

<* Source: Glen Eustace

Link: http://secunia.com/advisories/50612/
Https://kb.isc.org/article/AA-00779/75
*>

Suggestion:
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Vendor patch:

ISC
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ISC has released a Security Bulletin (AA-00779/75) for this and corresponding patches:

AA-00779/75: CVE-2012-3955: cing the expiration time for an IPv6 lease may cause the server to crash

Link: https://kb.isc.org/article/AA-00779/75