RHSA-2010:0923: Moderate: dhcp security update
First published: Tue Nov 30 2010(Updated: )
The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows<br>individual devices on an IP network to get their own network configuration<br>information, including an IP address, a subnet mask, and a broadcast<br>address. DHCPv6 is the DHCP protocol version for IPv6 networks.<br>A NULL pointer dereference flaw was discovered in the way the dhcpd daemon<br>parsed DHCPv6 packets. A remote attacker could use this flaw to crash dhcpd<br>via a specially-crafted DHCPv6 packet, if dhcpd was running as a DHCPv6<br>server. (CVE-2010-3611)<br>Users running dhcpd as a DHCPv6 server should upgrade to these updated<br>packages, which contain a backported patch to correct this issue. After<br>installing this update, all DHCP servers will be restarted automatically.<br>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/dhcp | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhclient | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhcp | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhcp-debuginfo | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhcp-debuginfo | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhcp-devel | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhcp-devel | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
| redhat/dhclient | <4.1.1-12.P1.el6_0.1 | 4.1.1-12.P1.el6_0.1 |
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Reference Links
- collector/redhat-errata
- anchor-id/RHSA-2010:0923
- agent/references
- agent/weakness
- agent/severity
- agent/title
- agent/type
- agent/tags
- agent/event
- agent/description
- agent/remedy
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- package-manager/redhat