CVE-2011-4539
Scores
EPSS
Percentile: 32.3%
CVSS
CVSS Score: 4.3/10
All CVSS Scores
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Medium
Describes the conditions beyond the attacker's control
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
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.
Scaner-VS 7 — a modern vulnerability management solution
Sources
CWEs
Related Vulnerabilities
Vulnerable Software (8)
Type: Configuration
Product: dhcp
Operating System: rhel 6
{ "fixed": "4.1.1-25.P1.el6_2.1"}
Source: redhat
Type: Configuration
Product: dhcp3
Operating System: ubuntu hardy 8.04
{ "unaffected": true}
Source: ubuntu
Type: Configuration
Product: dhcp3
Operating System: debian
{ "unaffected": true}
Source: debian
Type: Configuration
Product: isc-dhcp
Operating System: debian
{ "fixed": "4.2.2.dfsg.1-5"}
Source: debian
Type: Configuration
Vendor: canonical
Product: ubuntu_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: debian
Product: debian_linux
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: isc
Product: dhcp
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.0:*:*:*:*:*:*:*", "vulnerable":...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.0:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.1:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.1:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.1:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.2:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.2:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.2:b2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.2:b3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.2:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.3:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.3:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.0.3:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1.2:*:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.1:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.2:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.2.3:-:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd
Type: Configuration
Vendor: isc
Product: dhcp
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*", "vulne...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*", "vulnerable": true } ], "operator": "OR"}
Source: nvd