Total
25 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2018-5733 | 4 Canonical, Debian, Isc and 1 more | 8 Ubuntu Linux, Debian Linux, Dhcp and 5 more | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
| A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0. | |||||
| CVE-2017-3144 | 4 Canonical, Debian, Isc and 1 more | 9 Ubuntu Linux, Debian Linux, Dhcp and 6 more | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
| A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested. | |||||
| CVE-2016-2774 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 7.1 HIGH | 5.9 MEDIUM |
| ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions. | |||||
| CVE-2015-8605 | 4 Canonical, Debian, Isc and 1 more | 4 Ubuntu Linux, Debian Linux, Dhcp and 1 more | 2024-11-21 | 5.7 MEDIUM | 6.5 MEDIUM |
| ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet. | |||||
| CVE-2013-2494 | 1 Isc | 1 Dhcp | 2024-11-21 | 4.9 MEDIUM | N/A |
| libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266. | |||||
| CVE-2012-3955 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 7.1 HIGH | N/A |
| ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced. | |||||
| CVE-2012-3954 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 3.3 LOW | N/A |
| Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests. | |||||
| CVE-2012-3571 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 6.1 MEDIUM | N/A |
| ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier. | |||||
| CVE-2012-3570 | 1 Isc | 1 Dhcp | 2024-11-21 | 5.7 MEDIUM | N/A |
| Buffer overflow in ISC DHCP 4.2.x before 4.2.4-P1, when DHCPv6 mode is enabled, allows remote attackers to cause a denial of service (segmentation fault and daemon exit) via a crafted client identifier parameter. | |||||
| CVE-2011-4868 | 1 Isc | 1 Dhcp | 2024-11-21 | 6.1 MEDIUM | N/A |
| The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update. | |||||
| CVE-2011-4539 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 5.0 MEDIUM | N/A |
| 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. | |||||
| CVE-2011-2749 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 7.8 HIGH | N/A |
| The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet. | |||||
| CVE-2011-2748 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 7.8 HIGH | N/A |
| The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted DHCP packet. | |||||
| CVE-2011-0997 | 3 Canonical, Debian, Isc | 3 Ubuntu Linux, Debian Linux, Dhcp | 2024-11-21 | 7.5 HIGH | N/A |
| dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script. | |||||
| CVE-2011-0413 | 1 Isc | 1 Dhcp | 2024-11-21 | 7.8 HIGH | N/A |
| The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) by sending a message over IPv6 for a declined and abandoned address. | |||||
| CVE-2010-3616 | 1 Isc | 1 Dhcp | 2024-11-21 | 5.0 MEDIUM | N/A |
| ISC DHCP server 4.2 before 4.2.0-P2, when configured to use failover partnerships, allows remote attackers to cause a denial of service (communications-interrupted state and DHCP client service loss) by connecting to a port that is only intended for a failover peer, as demonstrated by a Nagios check_tcp process check to TCP port 520. | |||||
| CVE-2010-3611 | 1 Isc | 1 Dhcp | 2024-11-21 | 4.3 MEDIUM | N/A |
| ISC DHCP server 4.0 before 4.0.2, 4.1 before 4.1.2, and 4.2 before 4.2.0-P1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a DHCPv6 packet containing a Relay-Forward message without an address in the Relay-Forward link-address field. | |||||
| CVE-2010-2156 | 1 Isc | 1 Dhcp | 2024-11-21 | 5.0 MEDIUM | N/A |
| ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length client ID. | |||||
| CVE-2009-1893 | 2 Isc, Redhat | 2 Dhcp, Enterprise Linux | 2024-11-21 | 6.9 MEDIUM | N/A |
| The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related to the "dhcpd -t" command. | |||||
| CVE-2009-1892 | 1 Isc | 1 Dhcp | 2024-11-21 | 5.0 MEDIUM | N/A |
| dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests. | |||||