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</header><main class="static-main"><article class="static-article"><h1>OpenSSL緩衝區溢出漏洞預警</h1><div class="static-date">2023-03-31</div>
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<div data-version="3.0.0" data-hash="a4af6e4245e4b798c2ef471fbb0e7b3c"> </div>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">尊敬的主題雲用户：</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体"> 您好！ OpenSSL官方發佈安全公告，披露在3.0.x版本中存在兩處高危的緩衝區溢出漏洞（CVE-2022-3602、CVE-2022-3786），可導致拒絕服務等危害，在特定的情況下可能會導致遠程代碼執行。</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">【漏洞評級】</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">高風險</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">【漏洞描述】</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">CVE-2022-3602、CVE-2022-3786</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">OpenSSL 是一個安全套接字層密碼庫，通常用於加密和安全通信。本次兩處漏洞，都是由於OpenSSL 中X.509 證書驗證時存在缺陷，攻擊者可以通過製作惡意電子郵件地址觸發緩衝區溢出，成功利用漏洞可導致拒絕服務或潛在的遠程代碼執行。</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">【影響範圍】</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">影響版本</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">3.0.0 <= OpenSSL < =3.0.6</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">【修復方案】</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><span style="font-size: 10.5pt; font-family: 宋体; letter-spacing: 0pt; vertical-align: baseline;" data-font-family="宋体">您可以使用 “openssl version” 或 “openssl version -a” 命令即可查看當前安裝的openssl的版本。如使用版本受到漏洞潛在威脅，請儘快升級至安全版本：</span></p>
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<p class="paragraph text-align-type-justify" style="margin: 0pt 0pt 7.8pt; text-align: justify; font-family: 等线; font-size: 12pt; line-height: 24px;"><a href="https://www.openssl.org/source/"><span style="font-size: 10.5pt; font-family: 宋体; color: #0000ff; letter-spacing: 0pt; vertical-align: baseline; text-underline-position: under;" data-font-family="宋体">https://www.openssl.org/source/</span></a></p>
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