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authorAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
committerAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
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+<?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="200409-16">
+ <title>Samba: Denial of Service vulnerabilities</title>
+ <synopsis>
+ Two Denial of Service vulnerabilities have been found and fixed in Samba.
+ </synopsis>
+ <product type="ebuild">Samba</product>
+ <announced>September 13, 2004</announced>
+ <revised>September 13, 2004: 01</revised>
+ <access>remote</access>
+ <affected>
+ <package name="net-fs/samba" auto="yes" arch="*">
+ <unaffected range="ge">3.0.7</unaffected>
+ <unaffected range="lt">3.0</unaffected>
+ <vulnerable range="lt">3.0.7</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Samba is a freely available SMB/CIFS implementation which allows seamless
+ interoperability of file and print services to other SMB/CIFS clients. smbd
+ and nmbd are two daemons used by the Samba server.
+ </p>
+ </background>
+ <description>
+ <p>
+ There is a defect in smbd's ASN.1 parsing. A bad packet received during the
+ authentication request could throw newly-spawned smbd processes into an
+ infinite loop (CAN-2004-0807). Another defect was found in nmbd's
+ processing of mailslot packets, where a bad NetBIOS request could crash the
+ nmbd process (CAN-2004-0808).
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could send specially crafted packets to trigger both
+ defects. The ASN.1 parsing issue can be exploited to exhaust all available
+ memory on the Samba host, potentially denying all service to that server.
+ The nmbd issue can be exploited to crash the nmbd process, resulting in a
+ Denial of Service condition on the Samba server.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All Samba 3.x users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge sync
+
+ # emerge -pv ">=net-fs/samba-3.0.7"
+ # emerge ">=net-fs/samba-3.0.7"</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0807">CAN-2004-0807</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0808">CAN-2004-0808</uri>
+ </references>
+ <metadata tag="submitter" timestamp="Sat, 11 Sep 2004 15:16:21 +0000">
+ koon
+ </metadata>
+ <metadata tag="bugReady" timestamp="Mon, 13 Sep 2004 12:15:40 +0000">
+ jaervosz
+ </metadata>
+</glsa>