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	<title>CVE-2021-25214 &#8211; 21點情報網</title>
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		<title>快更新!!! ISC BIND DNS軟體被發現多個高風險漏洞</title>
		<link>https://ailog.tw/lifelog/2021/05/23/isc-bind/</link>
		
		<dc:creator><![CDATA[blackjack]]></dc:creator>
		<pubDate>Sun, 23 May 2021 06:39:35 +0000</pubDate>
				<category><![CDATA[3C資訊]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[BIND]]></category>
		<category><![CDATA[CVE-2021-25214]]></category>
		<category><![CDATA[CVE-2021-25215]]></category>
		<category><![CDATA[CVE-2021-25216]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[ISC]]></category>
		<category><![CDATA[快更新!!! ISC BIND DNS軟體被發現多個高風險漏洞]]></category>
		<guid isPermaLink="false">https://ailog.tw/lifelog/?p=8437</guid>

					<description><![CDATA[ISC發行的BIND DNS軟體，被發現了多個高風險漏洞，攻擊者可利用這些漏洞，透過遠端於被攻擊主機觸發阻斷服 &#8230; <p class="link-more"><a href="https://ailog.tw/lifelog/2021/05/23/isc-bind/" class="more-link">閱讀全文<span class="screen-reader-text">〈快更新!!! ISC BIND DNS軟體被發現多個高風險漏洞〉</span></a></p>]]></description>
										<content:encoded><![CDATA[<p><span style="font-size: 14pt; font-family: verdana, geneva;">ISC發行的BIND DNS軟體，被發現了多個高風險漏洞，攻擊者可利用這些漏洞，透過遠端於被攻擊主機觸發阻斷服務狀況及遠端執行任意程式碼，伺服器管理者應盡快更新DNS主機BIND版本，避免遭受攻擊。<span id="more-8437"></span></span></p>
<p><span style="font-family: verdana, geneva;"><strong><span style="font-size: 14pt;">被發現的漏洞：</span></strong></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25214">CVE-2021-25214</a></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25215">CVE-2021-25215</a></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25216">CVE-2021-25216</a></span></p>
<p><span style="font-family: verdana, geneva;"><strong><span style="font-size: 14pt;">相關風險：</span></strong></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(1)、阻斷服務</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(2)、遠端執行程式碼</span></p>
<p><span style="font-family: verdana, geneva;"><strong><span style="font-size: 14pt;">受影響的BIND版本：</span></strong></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(1)、9.0.0 ~ 9.11.29</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(2)、9.12.0 ~ 9.16.13</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(3)、BIND 9.17 development branch 的 9.17.0 ~ 9.17.11</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(4)、9.9.3-S1 ~ 9.11.29-S1</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(5)、BIND Supported Preview Edition 的 9.16.8-S1 ~ 9.16.13-S1</span></p>
<p><span style="font-family: verdana, geneva;"><strong><span style="font-size: 14pt;">解決方法：</span></strong></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">更新至以下版本或更高的版本</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(1)、BIND 9.11.31</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(2)、BIND 9.16.15</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(3)、BIND 9.17.12</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(4)、BIND 9.11.31-S1</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">(5)、BIND 9.16.15-S1</span></p>
<p><span style="font-size: 14pt; font-family: verdana, geneva;">ISC原廠說明：</span><br />
<span style="font-family: verdana, geneva;"><a href="https://kb.isc.org/docs/cve-2021-25214"><span style="font-size: 14pt;">https://kb.isc.org/docs/cve-2021-25214</span></a></span><br />
<span style="font-family: verdana, geneva;"><a href="https://kb.isc.org/docs/cve-2021-25215"><span style="font-size: 14pt;">https://kb.isc.org/docs/cve-2021-25215</span></a></span><br />
<span style="font-family: verdana, geneva;"><a href="https://kb.isc.org/docs/cve-2021-25216"><span style="font-size: 14pt;">https://kb.isc.org/docs/cve-2021-25216</span></a></span></p>
<p>&nbsp;</p>
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