Denial of Service Vulnerability in ISC DHCP 4.x and 4.1-ESV

Denial of Service Vulnerability in ISC DHCP 4.x and 4.1-ESV

CVE-2011-4539 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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