CVE-2011-4539

Publication date 8 December 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.

Read the notes from the security team

Status

Package Ubuntu Release Status
dhcp3 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
8.04 LTS hardy
Not affected
isc-dhcp 11.10 oneiric
Fixed 4.1.1-P1-17ubuntu10.1
11.04 natty
Fixed 4.1.1-P1-15ubuntu9.3
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Notes

mdeslaur

doesn't affect v3.x

References

Related Ubuntu Security Notices (USN)

Other references