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PostPosted: Mon Oct 23, 2017 5:26 am    Post subject: [ GLSA 201710-27 ] Dnsmasq Reply with quote

Gentoo Linux Security Advisory

Title: Dnsmasq: Multiple vulnerabilities (GLSA 201710-27)
Severity: normal
Exploitable: remote
Date: 2017-10-23
Bug(s): #632692
ID: 201710-27

Synopsis

Multiple vulnerabilities have been found in Dnsmasq, the worst of
which may allow remote attackers to execute arbitrary code.



Background

Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP
server.


Affected Packages

Package: net-dns/dnsmasq
Vulnerable: < 2.78
Unaffected: >= 2.78
Architectures: All supported architectures


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 condition via crafted DNS, IPv6, or DHCPv6 packets.


Workaround

There is no known workaround at this time.

Resolution

All Dnsmasq users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.78"
   


References


CVE-2017-14491


CVE-2017-14492


CVE-2017-14493


CVE-2017-14494


CVE-2017-14495


CVE-2017-14496
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