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85 lines
3.1 KiB
85 lines
3.1 KiB
<?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="200610-11">
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<title>OpenSSL: Multiple vulnerabilities</title>
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<synopsis>
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OpenSSL contains multiple vulnerabilities including the possible remote
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execution of arbitrary code.
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</synopsis>
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<product type="ebuild">openssl</product>
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<announced>October 24, 2006</announced>
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<revised>October 24, 2006: 01</revised>
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<bug>145510</bug>
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<access>remote</access>
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<affected>
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<package name="dev-libs/openssl" auto="yes" arch="*">
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<unaffected range="ge">0.9.8d</unaffected>
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<unaffected range="rge">0.9.7l</unaffected>
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<vulnerable range="lt">0.9.8d</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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OpenSSL is a toolkit implementing the Secure Sockets Layer, Transport
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Layer Security protocols and a general-purpose cryptography library.
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</p>
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</background>
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<description>
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<p>
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Tavis Ormandy and Will Drewry, both of the Google Security Team,
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discovered that the SSL_get_shared_ciphers() function contains a buffer
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overflow vulnerability, and that the SSLv2 client code contains a flaw
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leading to a crash. Additionally Dr. Stephen N. Henson found that the
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ASN.1 handler contains two Denial of Service vulnerabilities: while
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parsing an invalid ASN.1 structure and while handling certain types of
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public key.
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</p>
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</description>
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<impact type="high">
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<p>
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An attacker could trigger the buffer overflow vulnerability by sending
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a malicious suite of ciphers to an application using the vulnerable
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function, and thus execute arbitrary code with the rights of the user
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running the application. An attacker could also consume CPU and/or
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memory by exploiting the Denial of Service vulnerabilities. Finally a
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malicious server could crash a SSLv2 client through the SSLv2
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vulnerability.
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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 OpenSSL 0.9.8 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 ">=dev-libs/openssl-0.9.8d"</code>
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<p>
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All OpenSSL 0.9.7 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 ">=dev-libs/openssl-0.9.7l"</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-2006-2937">CVE-2006-2937</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2940">CVE-2006-2940</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3738">CVE-2006-3738</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4343">CVE-2006-4343</uri>
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</references>
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<metadata tag="requester" timestamp="Thu, 28 Sep 2006 15:36:31 +0000">
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vorlon078
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</metadata>
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<metadata tag="submitter" timestamp="Fri, 13 Oct 2006 16:05:39 +0000">
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falco
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</metadata>
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<metadata tag="bugReady" timestamp="Tue, 24 Oct 2006 10:05:56 +0000">
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falco
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</metadata>
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</glsa>
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