Packages
- isc-dhcp - DHCP server and client
Details
Sebastian Poehn discovered that the DHCP server, client, and relay
incorrectly handled certain malformed UDP packets. A remote attacker could
use this issue to cause the DHCP server, client, or relay to stop
responding, resulting in a denial of service.
Sebastian Poehn discovered that the DHCP server, client, and relay
incorrectly handled certain malformed UDP packets. A remote attacker could
use this issue to cause the DHCP server, client, or relay to stop
responding, resulting in a denial of service.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 15.10 wily | isc-dhcp-client – 4.3.1-5ubuntu3.1 | ||
| isc-dhcp-relay – 4.3.1-5ubuntu3.1 | |||
| isc-dhcp-server – 4.3.1-5ubuntu3.1 | |||
| isc-dhcp-server-ldap – 4.3.1-5ubuntu3.1 | |||
| 15.04 vivid | isc-dhcp-client – 4.3.1-5ubuntu2.3 | ||
| isc-dhcp-relay – 4.3.1-5ubuntu2.3 | |||
| isc-dhcp-server – 4.3.1-5ubuntu2.3 | |||
| isc-dhcp-server-ldap – 4.3.1-5ubuntu2.3 | |||
| 14.04 trusty | isc-dhcp-client – 4.2.4-7ubuntu12.4 | ||
| isc-dhcp-relay – 4.2.4-7ubuntu12.4 | |||
| isc-dhcp-server – 4.2.4-7ubuntu12.4 | |||
| isc-dhcp-server-ldap – 4.2.4-7ubuntu12.4 | |||
| 12.04 precise | isc-dhcp-client – 4.1.ESV-R4-0ubuntu5.10 | ||
| isc-dhcp-relay – 4.1.ESV-R4-0ubuntu5.10 | |||
| isc-dhcp-server – 4.1.ESV-R4-0ubuntu5.10 | |||
| isc-dhcp-server-ldap – 4.1.ESV-R4-0ubuntu5.10 | |||
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