71 lines
2.5 KiB
XML
71 lines
2.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200701-13">
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<title>Fetchmail: Denial of Service and password disclosure</title>
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<synopsis>
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Fetchmail has been found to have numerous vulnerabilities allowing for
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Denial of Service and password disclosure.
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</synopsis>
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<product type="ebuild">fetchmail</product>
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<announced>January 22, 2007</announced>
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<revised>January 22, 2007: 01</revised>
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<bug>160463</bug>
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<access>remote</access>
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<affected>
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<package name="net-mail/fetchmail" auto="yes" arch="*">
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<unaffected range="ge">6.3.6</unaffected>
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<vulnerable range="lt">6.3.6</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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Fetchmail is a remote mail retrieval and forwarding utility.
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</p>
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</background>
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<description>
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<p>
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Neil Hoggarth has discovered that when delivering messages to a message
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delivery agent by means of the "mda" option, Fetchmail passes a NULL
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pointer to the ferror() and fflush() functions when refusing a message.
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Isaac Wilcox has discovered numerous means of plain-text password
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disclosure due to errors in secure connection establishment.
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</p>
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</description>
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<impact type="normal">
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<p>
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An attacker could deliver a message via Fetchmail to a message delivery
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agent configured to refuse the message, and crash the Fetchmail
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process. SMTP and LMTP delivery modes are not affected by this
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vulnerability. An attacker could also perform a Man-in-the-Middle
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attack, and obtain plain-text authentication credentials of users
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connecting to a Fetchmail process.
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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All fetchmail users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=net-mail/fetchmail-6.3.6"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5867">CVE-2006-5867</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5974">CVE-2006-5974</uri>
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</references>
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<metadata tag="requester" timestamp="Mon, 15 Jan 2007 23:33:39 +0000">
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falco
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</metadata>
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<metadata tag="bugReady" timestamp="Tue, 16 Jan 2007 17:08:58 +0000">
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falco
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</metadata>
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<metadata tag="submitter" timestamp="Thu, 18 Jan 2007 02:05:45 +0000">
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shellsage
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</metadata>
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</glsa>
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