BusyBox Out-of-Bounds Read Vulnerability

BusyBox is a set of applications containing several linux commands and tools maintained by Ukrainian software developer Denis Vlasenko. An out-of-bounds read vulnerability exists in the udhcp component of BusyBox 1.30.0 and earlier versions, which can be exploited by a remote attacker to disclose...

DEBIAN-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...

ALPINE-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...

Microsoft Windows DHCP Client Remote Code Execution Vulnerability

Microsoft Windows 10 and others are a series of operating systems released by the American company Microsoft. Microsoft Windows DHCP Client remote code execution vulnerability. An attacker can exploit the vulnerability to execute arbitrary code in the context of an affected system. A failed attac...

UBUNTU-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...

UBUNTU-CVE-2019-5747

An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components consumed by the DHCP client, server, and/or relay might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte...

systemd: Out-of-bounds heap write in systemd-networkd dhcpv6 option handling

It was discovered that systemd-network does not correctly keep track of a buffer size when constructing DHCPv6 packets. This flaw may lead to an integer underflow that can be used to produce an heap-based buffer overflow. A malicious host on the same network segment as the victim's one may...

Juniper Junos OS Denial of Service Vulnerability (CNVD-2018-21801)

Juniper Junos OS is a Juniper Networks network operating system designed for the company's hardware systems. The OS provides a secure programming interface and the Junos SDK. A denial of service vulnerability exists in Juniper Junos OS, which arises from the program's failure to restrict the IP...

CVE-2018-0057

On MX Series and M120/M320 platforms configured in a Broadband Edge BBE environment, subscribers logging in with DHCP Option 50 to request a specific IP address will be assigned the requested IP address, even if there is a static MAC to IP address binding in the access profile. In the problem...

CVE-2018-0055

Receipt of a specially crafted DHCPv6 message destined to a Junos OS device configured as a DHCP server in a Broadband Edge BBE environment may result in a jdhcpd daemon crash. The daemon automatically restarts without intervention, but a continuous receipt of crafted DHCPv6 packets could leaded ...

Cisco Industrial Network Director DHCP Service Denial of Service Vulnerability

Cisco Industrial Network Director is a tool that helps IT and operations teams collaborate to fully understand network and automation devices. A security vulnerability in the Cisco Industrial Network Director DHCP service allows remote attackers to conduct denial-of-service attacks by submitting ...

CVE-2018-15392

A vulnerability in the DHCP service of Cisco Industrial Network Director could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. The vulnerability is due to improper handling of DHCP lease requests. An attacker could exploit this vulnerability by sending...

CVE-2018-17017

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services e.g., inetd, HTTP, DNS, and UPnP via long JSON data for dhcpd udhcpd enable...

NEC Aterm WG2600HP2 Information Disclosure Vulnerability

The WG2600HP2 is a router product from NEC. The NEC Aterm WG2600HP2 has an information disclosure vulnerability that could allow an attacker to retrieve the DHCP client by sending a crafted HTTP request...

Black Hat 2018: Update Mechanisms Allow Remote Attacks on UEFI Firmware

LAS VEGAS – Researchers said they found buffer overflow flaws in the firmware for ASRock and ASUS, potentially enabling bad actors to remotely launch man-in-the-middle MITM attacks. The findings, which will be presented Wednesday at Black Hat USA this week by researchers from Eclypsium, show that...

Cisco Nexus 9000 Series Fabric Switches DHCPv6 Feature Denial of Service Vulnerability

Cisco Nexus 9000 Series Fabric Switches is a 9000 series switch product from Cisco USA. A denial of service vulnerability exists in the DHCPv6 feature in Cisco Nexus 9000 Series Fabric Switches in ACI mode version 13.01k, which arises from a program that fails to properly manage memory when...

PT-2019-5190 · Isc +5 · Dhcpd +6

Name of the Vulnerable Software and Affected Versions: dhcpd versions prior to 4.4.1 when using BIND versions 9.11.2 or later Description: The issue is related to bugs in the ISC BIND libraries used by dhcpd when operating in DHCPv6 mode, and a bug in dhcpd itself. The bugs can cause a crash,...

Junos OS: A malicious crafted IPv6 DHCP packet may cause the JDHCPD daemon to core

A Denial of Service vulnerability exists in the Juniper Networks Junos OS JDHCPD daemon which allows an attacker to core the JDHCPD daemon by sending a crafted IPv6 packet to the system. This issue is limited to systems which receives IPv6 DHCP packets on a system configured for DHCP processing...

June 26, 2018—KB4284848 (OS Build 17134.137)

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The vulnerability of the ISC DHCP server, related to insufficient validation of input data, allows a attacker to trigger a service failure.

The vulnerability of the ISC DHCP server is related to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to trigger a service failure by sending a specially crafted request that includes a zero-length client identifier...