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author | 2015-03-08 22:02:38 +0100 | |
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committer | 2015-03-08 22:02:38 +0100 | |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200809-02.xml | |
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Import existing advisories
Diffstat (limited to 'glsa-200809-02.xml')
-rw-r--r-- | glsa-200809-02.xml | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/glsa-200809-02.xml b/glsa-200809-02.xml new file mode 100644 index 00000000..e5f2418f --- /dev/null +++ b/glsa-200809-02.xml @@ -0,0 +1,79 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200809-02"> + <title>dnsmasq: Denial of Service and DNS spoofing</title> + <synopsis> + Two vulnerabilities in dnsmasq might allow for a Denial of Service or + spoofing of DNS replies. + </synopsis> + <product type="ebuild">dnsmasq</product> + <announced>September 04, 2008</announced> + <revised>September 04, 2008: 01</revised> + <bug>231282</bug> + <bug>232523</bug> + <access>remote</access> + <affected> + <package name="net-dns/dnsmasq" auto="yes" arch="*"> + <unaffected range="ge">2.45</unaffected> + <vulnerable range="lt">2.45</vulnerable> + </package> + </affected> + <background> + <p> + Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP + server. + </p> + </background> + <description> + <ul> + <li> + Dan Kaminsky of IOActive reported that dnsmasq does not randomize UDP + source ports when forwarding DNS queries to a recursing DNS server + (CVE-2008-1447). + </li> + <li> + Carlos Carvalho reported that dnsmasq in the 2.43 version does not + properly handle clients sending inform or renewal queries for unknown + DHCP leases, leading to a crash (CVE-2008-3350). + </li> + </ul> + </description> + <impact type="normal"> + <p> + A remote attacker could send spoofed DNS response traffic to dnsmasq, + possibly involving generating queries via multiple vectors, and spoof + DNS replies, which could e.g. lead to the redirection of web or mail + traffic to malicious sites. Furthermore, an attacker could generate + invalid DHCP traffic and cause a Denial of Service. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All dnsmasq users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.45"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3350">CVE-2008-3350</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1447">CVE-2008-1447</uri> + </references> + <metadata tag="requester" timestamp="Sun, 13 Jul 2008 19:25:11 +0000"> + p-y + </metadata> + <metadata tag="submitter" timestamp="Tue, 19 Aug 2008 23:52:40 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Tue, 19 Aug 2008 23:52:59 +0000"> + rbu + </metadata> +</glsa> |