Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.2242
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for dnsmasq (EulerOS-SA-2021-2242)
Summary:	The remote host is missing an update for the Huawei EulerOS 'dnsmasq' package(s) announced via the EulerOS-SA-2021-2242 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'dnsmasq' package(s) announced via the EulerOS-SA-2021-2242 advisory. Vulnerability Insight: 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 ID to forge a reply and get it accepted by dnsmasq. This flaw makes a DNS Cache Poisoning attack much easier. The highest threat from this vulnerability is to data integrity.(CVE-2021-3448) Affected Software/OS: 'dnsmasq' package(s) on Huawei EulerOS V2.0SP9(x86_64). Solution: Please install the updated package(s). CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-3448 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CVTJUOFFFHINLKWAOC2ZSC5MOPD4SJ24/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GHURNEHHUBSW45KMIZ4FNBCSUPWPGV5V/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FHG7GWSQWKF7JXIMLOGJBKZWBB4VIAJ7/ https://security.gentoo.org/glsa/202105-20 https://bugzilla.redhat.com/show_bug.cgi?id=1939368
Copyright	Copyright (C) 2021 Greenbone Networks GmbH

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