CVE-2011-4539
Medium
Description
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.
SeverityMedium
CVSS5.0
Exploit probability—
Product
Isc Dhcp
PublishedDec 8, 2011
First seenDec 8, 2011
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| isc dhcp | 4.0, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.1-esv | — |
| canonical ubuntu_linux | 11.04, 11.10 | — |
| debian debian_linux | 6.0, 7.0 | — |
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