CVE-2010-3611 Null dereference in n/a

Medium 4.3 Published 4 Nov 2010 Updated 7 Aug 2024

Remote attackers can crash the ISC DHCP server by sending a malformed DHCPv6 Relay-Forward packet, causing a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2010-3611?

CVE-2010-3611 is a medium-severity vulnerability in n/a, published on 4 Nov 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ISC DHCP server 4.0 before 4.0.2, 4.1 before 4.1.2, and 4.2 before 4.2.0-P1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a DHCPv6 packet containing a Relay-Forward message without an address in the Relay-Forward link-address field.

Which versions are affected by CVE-2010-3611?

It affects 1 product.

Linux distribution packages (16)

`dhclient` Red Hat:enterprise_linux:6::client	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp` Red Hat:enterprise_linux:6::client	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-devel` Red Hat:enterprise_linux:6::client	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhclient` Red Hat:enterprise_linux:6::computenode	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp` Red Hat:enterprise_linux:6::computenode	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-devel` Red Hat:enterprise_linux:6::computenode	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhclient` Red Hat:enterprise_linux:6::server	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp` Red Hat:enterprise_linux:6::server	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-devel` Red Hat:enterprise_linux:6::server	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhclient` Red Hat:enterprise_linux:6::workstation	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp` Red Hat:enterprise_linux:6::workstation	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`12:4.1.1-12.P1.el6_0.1`
`dhcp-devel` Red Hat:enterprise_linux:6::workstation	All versions	`12:4.1.1-12.P1.el6_0.1`

Products include Isc Dhcp.

How do I fix CVE-2010-3611?

Upgrade to a fixed version.

Is CVE-2010-3611 being exploited?

There is no known exploitation of CVE-2010-3611 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2010-3611, GHSA-3q9m-cg52-56rj, RHSA-2010:0923.