dhcp: DHCP memory leak

A vulnerability was found in the DHCP server where the "fqdnuniversedecode" function allocates buffer space for the contents of option 81 fqdn data received in a DHCP packet. The maximum length of a DNS "label" is 63 bytes. The function tests the length byte of each label contained in the "fqdn";...

dhcp: option refcount overflow when leasequery is enabled leading to dhcpd abort

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 "addoption"...

The vulnerability of the DHCP server service for Windows operating systems allows a perpetrator to execute arbitrary code.

The vulnerability of the DHCP server service for Windows operating systems is related to insufficient validation of input data. Exploiting this vulnerability allows a remote attacker to execute arbitrary code through a remote process call...

[SECURITY] [DLA 3397-1] connman security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-3397-1 [email protected] https://www.debian.org/lts/security/ Chris Lamb April 21, 2023 https://wiki.debian.org/LTS -...

Fedora: Security Advisory for dnsmasq (FEDORA-2023-eeca11a4df)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

[SECURITY] Fedora 38 Update: dnsmasq-2.89-2.fc38

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...

CVE-2023-28488

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers operating a crafted DHCP server to cause a stack-based buffer overflow and denial of service, terminating the connman process...

DEBIAN-CVE-2023-28488

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers operating a crafted DHCP server to cause a stack-based buffer overflow and denial of service, terminating the connman process...

CVE-2023-28488

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers operating a crafted DHCP server to cause a stack-based buffer overflow and denial of service, terminating the connman process...

UBUNTU-CVE-2023-28488

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers operating a crafted DHCP server to cause a stack-based buffer overflow and denial of service, terminating the connman process...

Update now! April’s Patch Tuesday includes a fix for one zero-day

Its Patch Tuesday again. Microsoft and other vendors have released their monthly updates. Among a total of 97 patched vulnerabilities there is one actively exploited zero-day. Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix...

CVE-2023-28488

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers operating a crafted DHCP server to cause a stack-based buffer overflow and denial of service, terminating the connman process...

CVE-2023-28231

DHCP Server Service Remote Code Execution Vulnerability...

CVE-2023-28231

DHCP Server Service Remote Code Execution Vulnerability...

Remote code execution

DHCP Server Service Remote Code Execution Vulnerability...

Microsoft Patch Tuesday for April 2023 — Snort rules and prominent vulnerabilities

Microsoft released its monthly round of security updates and patches today, continuing its trend of fixing zero-day vulnerabilities on Patch Tuesday. Aprils security update includes one vulnerability thats actively being exploited in the wild. There are also eight critical vulnerabilities and the...

CVE-2023-28231 DHCP Server Service Remote Code Execution Vulnerability

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CVE-2023-28231 DHCP Server Service Remote Code Execution Vulnerability

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DHCP Server Service Remote Code Execution Vulnerability

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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...