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CVE-2011-4539

nvd nist
Published: Dec 8, 2011Modified: Apr 29, 2026

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5.0
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Exploitability: 10.0 / Impact: 2.9
Source: NVD

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.

Affected (39)

Isc
1 product
Dhcp
Canonical
1 product
Ubuntu Linux
Debian
1 product
Debian Linux
Configuration A
30 vulnerable
Vulnerable SoftwareAffected Versions
Isc
Dhcp
Version 4.0.0
Dhcp
Version 4.0.1
Dhcp
Version 4.0.1 b1
Dhcp
Version 4.0.1 rc1
Dhcp
Version 4.0.2
Dhcp
Version 4.0.2 b1
Dhcp
Version 4.0.2 b2
Dhcp
Version 4.0.2 b3
Dhcp
Version 4.0.2 rc1
Dhcp
Version 4.0.3
Dhcp
Version 4.0.3 b1
Dhcp
Version 4.0.3 rc1
Dhcp
Version 4.0
Dhcp
Version 4.1.1 b3
Dhcp
Version 4.1.1 rc1
Dhcp
Version 4.1.2
Dhcp
Version 4.2.0
Dhcp
Version 4.2.0 a1
Dhcp
Version 4.2.0 a2
Dhcp
Version 4.2.0 b1
Dhcp
Version 4.2.0 b2
Dhcp
Version 4.2.0 p1
Dhcp
Version 4.2.0 rc1
Dhcp
Version 4.2.1
Dhcp
Version 4.2.1 b1
Dhcp
Version 4.2.1 rc1
Dhcp
Version 4.2.2
Dhcp
Version 4.2.2 b1
Dhcp
Version 4.2.2 rc1
Dhcp
Version 4.2.3
Configuration B
5 vulnerable
Vulnerable SoftwareAffected Versions
Isc
Dhcp
Version 4.1-esv
Dhcp
Version 4.1-esv r1
Dhcp
Version 4.1-esv r2
Dhcp
Version 4.1-esv r3
Dhcp
Version 4.1-esv r3_b1
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 11.04
Ubuntu Linux
Version 11.10
Configuration D
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 6.0
Debian Linux
Version 7.0

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (26)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.