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gentooGentoo FoundationGLSA-201406-24
HistoryJun 25, 2014 - 12:00 a.m.

Dnsmasq: Denial of Service

2014-06-2500:00:00
Gentoo Foundation
security.gentoo.org
20

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.021

Percentile

89.3%

JSON

Background

Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.

Description

When used with certain libvirt configurations Dnsmasq replies to queries from prohibited interfaces.

Impact

A remote attackers can cause a Denial of Service via spoofed TCP based DNS queries.

Workaround

There is no known workaround at this time.

Resolution

All Dnsmasq users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.66"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-dns/dnsmasq< 2.66UNKNOWN

Related

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prion 2
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altlinux 1
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.021

Percentile

89.3%

JSON
Related for GLSA-201406-24
debiancve2prion2nessus21openvas24cve2ubuntucve2nvd2cvelist2centos2redhat3fedora6amazon1oraclelinux2veracode1altlinux1osv16