The vulnerability of the ISC DHCP server, related to memory buffer overflow, allows attackers to cause service failures or gain unauthorized access to confidential data.

The vulnerability of the dhclient client is related to buffer overflows in the buffer used for processing DHCP parameters. Exploiting this vulnerability allows a malicious actor to cause a service failure, and in some cases, to execute arbitrary code by sending a response from the DHCP server tha...

Fedora Update for dhcp FEDORA-2018-5051dbd15e

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-3586-1 isc-dhcp vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

CVE-2018-5733

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...

ISC DHCP Reference Counter Overflow Vulnerability

ISC DHCP is an open source software implementation of the Dynamic Host Configuration Protocol used to connect to IP networks. A reference counter overflow vulnerability exists in ISC DHCP. A remote user can trigger a reference counter overflow by sending a large amount of data to the target serve...

UBUNTU-CVE-2018-5733

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

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...

[SECURITY] Fedora 25 Update: dnsmasq-2.76-4.fc25

Dnsmasq is lightweight, easy to configure DNS forwarder and DHCP server. It is designed to provide DNS and, optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with...

Dnsmasq: Multiple vulnerabilities

Background Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP server. Description Multiple vulnerabilities have been discovered in Dnsmasq. Please review the references below for details. Impact A remote attacker could execute arbitrary code or cause a Denial of Service...

September 12, 2017—KB4038793 (Security-only update)

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RedHat Update for dnsmasq RHSA-2017:2838-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Critical: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Critical: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq is now available for Red Hat Enterprise Linux 6.2 Advanced Update Support, Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.5 Telco Extended Update Support, Red Hat Enterprise Linux 6.6...

Python Network Hacking Toolkit: Habu

These are basic functions that help with some tasks for Ethical Hacking and Penetration Testing. Much of the functions are really basic like get our public IP address, but are really useful in some cases. Installation To install Habu, simply: $ pip install habu Dependencies Habu requires: Click...

September Patch Tuesday: 27 Critical Vulnerabilities from Microsoft, plus Critical Adobe Patches

Today Microsoft released a fairly large batch of patches covering 81 vulnerabilities as part of September’s Patch Tuesday update, with 38 of them impacting Windows. Patches covering 27 of these vulnerabilities are labeled as Critical, and 39 can result in Remote Code Execution RCE. According to...

September 12, 2017—KB4038786 (Security-only update)

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Microsoft Windows DHCP Server CVE-2017-8686 Remote Code Execution Vulnerability

Description Microsoft Windows is prone to a remote code-execution vulnerability. An attacker can leverage this issue to execute arbitrary code in the context of the system account. Failed exploit attempts will likely result in denial-of-service conditions. Technologies Affected Microsoft Windows...

KLA11099 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, obtain sensitive information, bypass security restrictions, spoof user interface, cause denial of service. Below is a complete list of...

CVE-2016-8229

A cross-site request forgery vulnerability in Lenovo Service Bridge before version 4 could be exploited by an attacker with access to the DHCP server used by the system where LSB is installed...

Cross site request forgery (csrf)

A cross-site request forgery vulnerability in Lenovo Service Bridge before version 4 could be exploited by an attacker with access to the DHCP server used by the system where LSB is installed...