PT-2023-2430 · Microsoft · Windows

Name of the Vulnerable Software and Affected Versions: Windows versions 2008 R2 SP1 through 2019 Description: The issue is related to insufficient input validation in the Windows DHCP server service, allowing remote attackers to execute arbitrary code. This can be achieved through remote procedur...

EulerOS 2.0 SP5 : dhcp (EulerOS-SA-2023-1498)

According to the versions of the dhcp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the...

SUSE CVE-2010-3611

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...

SUSE CVE-2010-3616

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...

SUSE CVE-2011-2749

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...

SUSE CVE-2011-4539

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...

SUSE CVE-2013-2494

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...

SUSE CVE-2017-3144

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...

SUSE CVE-2018-15688

A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239...

SUSE CVE-2018-20679

An issue was discovered in BusyBox before 1.30.0. An out of bounds read in udhcp components consumed by the DHCP server, client, and relay allows a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to verification in udhcpgetoption in...

SUSE CVE-2022-2928

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

Security Bulletin: ISC DHCP server for IBM i is vulnerable to a denial of service attack due to a memory leak and refererence count overflow (CVE-2022-2928, CVE-2022-2929)

Summary ISC DHCP server on IBM i is vulnerable to a denial of service attack due to a memory leak in the fqdnuniversedecode function and a reference count overflow in the addoption function as described in the vulnerability details section. IBM i has addressed the vulnerabilities in ISC DHCP serv...

USN-5658-3: DHCP vulnerabilities

USN-5658-1 fixed several vulnerabilities in DHCP. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers to cras...

dnsmasq security and bug fix update

An update is available for dnsmasq. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server...

PVS: Targets fail to boot since it attempts to boot from wrong PVS servers

PVS created a new PVS site and updated option 66 and 67 in the DHCP servers, but Targets failed to connect to the PVS servers in the new PVS site during boot, and it continued to use the PVS servers in old PVS Site...

Moderate: dnsmasq security and bug fix update

The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server. Security Fixes: dnsmasq: Heap use after free in dhcp6norelay CVE-2022-0934 For more details about the security issues, including the impact, a CVSS score,...

Medium: dhcp

Issue Overview: An integer overflow vulnerability was found in the DHCP server. When the "optioncodehashlookup" function is called from "addoption", it increases the option's "refcount" field. However, there is not a corresponding call to "optiondereference" to decrement the "refcount" field. The...

ALSA-2022:7633 Moderate: dnsmasq security and bug fix update

The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server. Security Fixes: dnsmasq: Heap use after free in dhcp6norelay CVE-2022-0934 For more details about the security issues, including the impact, a CVSS score,...

MGASA-2022-0374 Updated dhcp packages fix security vulnerability

In ISC DHCP 4.4.0 - 4.4.3, ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addoption, it increases the option's refcount field. However, there is not a corresponding call to optiondereference to decrement the refcount field. The function addoption is on...

Denial Of Service (DoS)

libdhcp.so is vulnerable to Denial Of Service DoS. The vulnerability exists in fqdnuniversedecode function of option.c when a system with access to a DHCP server which allows an attacker to crash the application via malicious inputs...