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PostPosted: Thu Dec 17, 2015 5:26 pm    Post subject: [ GLSA 201512-01 ] Dnsmasq Reply with quote

Gentoo Linux Security Advisory

Title: Dnsmasq: Denial of Service (GLSA 201512-01)
Severity: normal
Exploitable: remote
Date: December 17, 2015
Bug(s): #547966
ID: 201512-01

Synopsis

A vulnerability in Dnsmasq can lead to a Denial of Service
condition.


Background

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


Affected Packages

Package: net-dns/dnsmasq
Vulnerable: < 2.72-r2
Unaffected: >= 2.72-r2
Architectures: All supported architectures


Description

An out-of-bounds read vulnerability has been found in the tcp_request
function in Dnsmasq.


Impact

A remote attacker could send a specially crafted DNS request, possibly
resulting in a Denial of Service condition.


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-2.72-r2"
   


References

CVE-2015-3294
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