CVE-2021-3448

A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ...

CVE-2021-3448

A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ...

CVE-2021-3448: Improperly Implemented Security Check for Standard

A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ...

CVE-2021-3448

A flaw was found in dnsmasq. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ID to forge a reply and...

EulerOS Virtualization 3.0.6.6 : dnsmasq (EulerOS-SA-2021-1469)

According to the versions of the dnsmasq packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in dnsmasq. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with...

EulerOS Virtualization 3.0.2.6 : dnsmasq (EulerOS-SA-2021-1411)

According to the versions of the dnsmasq packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in dnsmasq. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with...

Vulnerabilities fixed in Siemens Scalance

Siemens has fixed several vulnerabilities in Scalance products. The vulnerabilities allow an unauthenticated remote malicious person may be able to launch attacks leading to the following categories of damage: Denial-of-Service DoS DNS cache poisoning Remote code execution possibly under elevated...

EulerOS 2.0 SP9 : dnsmasq (EulerOS-SA-2021-1263)

According to the versions of the dnsmasq package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with...

EulerOS 2.0 SP9 : dnsmasq (EulerOS-SA-2021-1244)

According to the versions of the dnsmasq package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with...

DNS Cache Poisoning

apport is vulnerable to DNS cache poisoning. When getting a reply from a forwarded query, dnsmasq checks in forward.c:replyquery if the reply destination address/port is one of those used by the pending forwarded queries. However, it does not use the address/port to retrieve the exact forwarded...

Huawei EulerOS: Security Advisory for dnsmasq (EulerOS-SA-2021-1138)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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...

EulerOS 2.0 SP8 : dnsmasq (EulerOS-SA-2021-1138)

According to the versions of the dnsmasq packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:replyquery if the...

Amazon Linux 2 : dnsmasq (ALAS-2021-1587)

The version of dnsmasq installed on the remote host is prior to 2.76-16. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1587 advisory. A flaw was found in dnsmasq. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:replyquery if th...

Medium: dnsmasq

Issue Overview: A flaw was found in dnsmasq. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:replyquery if the reply destination address/port is used by the pending forwarded queries. However, it does not use the address/port to retrieve the exact forwarded query,...

Dnsmasq Security Feature Issue Vulnerability (CNVD-2021-16429)

Dnsmasq is a lightweight DNS forwarding and DHCP, TFTP server written in C. It can be used as a server to forward DNS, DHCP, and TFTP. A security signature vulnerability exists in Dnsmasq that stems from not checking an existing pending request with the same name and forwarding a new request,...

Dnsmasq Security Feature Issue Vulnerability

Dnsmasq is a lightweight DNS forwarding and DHCP, TFTP server written in C. It can be used as a server to forward DNS, DHCP, and TFTP. A security vulnerability exists in Dnsmasq prior to version 2.83, which can be exploited by attackers to perform DNS cache poisoning attacks...

Pi-hole FTLDNS < 5.5 Multiple Vulnerabilities in Dnsmasq (DNSpooq)

Dnsmasq as used in the SPDX-FileCopyrightText: 2021 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 CPE = "cpe:/a:pi-hole:ftldns"; ifdescription...

DNSpooq bugs haunt dnsmasq

The research team at JSOF found seven vulnerabilities in dnsmasq and have dubbed them DNSpooq, collectively. Now, some of you may shrug and move on, probably because you havent heard of dnsmasq before. Well, before you go, you should know that dnsmasq is used in a wide variety of phones, routers,...

FreeBSD : dnsmasq -- DNS cache poisoning, and DNSSEC buffer overflow, vulnerabilities (5b5cf6e5-5b51-11eb-95ac-7f9491278677)

Simon Kelley reports : There are broadly two sets of problems. The first is subtle errors in dnsmasq's protections against the chronic weakness of the DNS protocol to cache-poisoning attacks; the Birthday attack, Kaminsky, etc.... the second set of errors is a good old fashioned buffer overflow i...

Fedora 33 : dnsmasq (2021-84440e87ba)

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-84440e87ba advisory. - A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with...