{"id":4250,"date":"2024-09-30T12:05:32","date_gmt":"2024-09-30T04:05:32","guid":{"rendered":"http:\/\/gzwangan.com\/?p=4250"},"modified":"2024-09-30T12:10:22","modified_gmt":"2024-09-30T04:10:22","slug":"cups-browsed%e8%bf%9c%e7%a8%8b%e4%bb%a3%e7%a0%81%e6%89%a7%e8%a1%8c%e6%bc%8f%e6%b4%9e-cve-2024-47176-%e5%ae%89%e5%85%a8%e9%a3%8e%e9%99%a9%e9%80%9a%e5%91%8a","status":"publish","type":"post","link":"http:\/\/www.gzwangan.com\/?p=4250","title":{"rendered":"cups-browsed\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e (CVE-2024-47176) \u5b89\u5168\u98ce\u9669\u901a\u544a"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4250\" class=\"elementor elementor-4250\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-791fa78c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"791fa78c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5fe1a0c2\" data-id=\"5fe1a0c2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5e072e3b elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"5e072e3b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4472c4c2\" data-id=\"4472c4c2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38c5d053 elementor-widget elementor-widget-heading\" data-id=\"38c5d053\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u5b89\u5168\u52a8\u6001<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-48a8bb1e elementor-section-full_width xi elementor-section-height-default elementor-section-height-default\" data-id=\"48a8bb1e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6ed8c5ee\" data-id=\"6ed8c5ee\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-492b5ea9 elementor-widget elementor-widget-heading\" data-id=\"492b5ea9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"\/?page_id=561\">\u884c\u4e1a\u52a8\u6001<\/a><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-29196e1d elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"29196e1d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-755a4eb2\" data-id=\"755a4eb2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6600a119 elementor-widget elementor-widget-heading\" data-id=\"6600a119\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"\/?page_id=566\">\u6f0f\u6d1e\u52a8\u6001<\/a><\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2313f6ee elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"2313f6ee\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4fafafa3\" data-id=\"4fafafa3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1fd5f11a elementor-widget elementor-widget-heading\" data-id=\"1fd5f11a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u8054\u7cfb\u65b9\u5f0f<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1de31c6f elementor-widget elementor-widget-text-editor\" data-id=\"1de31c6f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u5730\u5740\uff1a\u00a0\u5e7f\u5dde\u5e02\u8d8a\u79c0\u533a\u4e1c\u98ce\u4e1c\u8def750\u53f7\u5e7f\u8054\u5927\u53a613\u697c1307-1309\u5ba4<br \/>\u7535\u8bdd\uff1a18898400087<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1536beea\" data-id=\"1536beea\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-347af845 elementor-widget elementor-widget-text-editor\" data-id=\"347af845\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li style=\"text-align: left;\"><span style=\"color: #000000;\">\u6f0f\u6d1e\u7f16\u53f7\uff1aCVE-2024-47176<\/span><span style=\"color: #000000;\"><br \/><\/span><\/li><li><span style=\"color: #000000;\">\u6f0f\u6d1e\u7c7b\u578b\uff1a\u4ee3\u7801\u6267\u884c<\/span><\/li><li><span style=\"color: #000000;\">\u6f0f\u6d1e\u7b49\u7ea7\uff1a\u4e25\u91cd<\/span><\/li><li><span style=\"color: #000000;\">\u53d1\u5e03\u65f6\u95f4\uff1a2024-09-27<\/span><\/li><\/ul><p><span style=\"color: #000000;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><\/p><p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">\u6f0f\u6d1e\u63cf\u8ff0\uff1a<\/span><\/p><p style=\"padding-left: 40px;\">CUPS\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6253\u5370\u7cfb\u7edf\uff0c\u7528\u4e8eLinux\u548c\u5176\u4ed6\u7c7bUNIX\u64cd\u4f5c\u7cfb\u7edf\u3002CUPS\u4f7f\u7528Internet Printing Protocol (IPP)\u6765\u5b9e\u73b0\u672c\u5730\u548c\u7f51\u7edc\u6253\u5370\u673a\u7684\u6253\u5370\u529f\u80fd\u3002cups-browsed\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6253\u5370\u670d\u52a1\u7ec4\u4ef6\uff0c\u5b83\u662fCommon UNIX Printing System (CUPS)\u7684\u4e00\u90e8\u5206\u3002cups-browsed\u8d1f\u8d23\u5728\u672c\u5730\u7f51\u7edc\u4e0a\u81ea\u52a8\u53d1\u73b0\u548c\u6dfb\u52a0\u6253\u5370\u673a\uff0c\u4f7f\u7528mDNS\uff08\u591a\u64adDNS\uff09\u6216DNS-SD\uff08DNS\u670d\u52a1\u53d1\u73b0\uff09\u534f\u8bae\u6765\u4fa6\u6d4b\u7f51\u7edc\u4e0a\u7684\u6253\u5370\u8bbe\u5907\u3002\u5b83\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u65e0\u9700\u624b\u52a8\u914d\u7f6e\u5373\u53ef\u4f7f\u7528\u7f51\u7edc\u6253\u5370\u673a\u3002<\/p><p style=\"padding-left: 40px;\">\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8ecups-browsed\u670d\u52a1\u5728\u5904\u7406\u7f51\u7edc\u6253\u5370\u4efb\u52a1\u65f6\uff0c\u4f1a\u7ed1\u5b9a\u5230UDP\u7aef\u53e3631\u7684INADDR_ANY\u5730\u5740\uff0c\u4ece\u800c\u4fe1\u4efb\u6765\u81ea\u4efb\u4f55\u6765\u6e90\u7684\u6570\u636e\u5305\u3002\u8fd9\u4f1a\u5bfc\u81f4\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u53d1\u9001\u7279\u5236\u7684\u6570\u636e\u5305\uff0c\u89e6\u53d1\u6076\u610f\u8bf7\u6c42\u5230\u653b\u51fb\u8005\u63a7\u5236\u7684URL\uff0c\u4ece\u800c\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u5229\u7528\u6b64\u6f0f\u6d1e\u9700\u8981\u542f\u7528cups-browsed\u670d\u52a1\uff08Ubuntu Desktop\u73af\u5883\u4e0b\u9ed8\u8ba4\u542f\u7528\uff09\uff0c\u4e14\u9700\u8981\u53d7\u5bb3\u8005\u4e3b\u52a8\u4f7f\u7528\u8be5\u6076\u610fIPP\u670d\u52a1\u5668\u914d\u7f6e\u7684\u6253\u5370\u673a\u8bbe\u5907\u8fdb\u884c\u6253\u5370\u64cd\u4f5c\u3002\u76ee\u524d\u8be5\u6f0f\u6d1e\u6280\u672f\u7ec6\u8282\u548cPOC\u5df2\u516c\u5f00\uff0c\u9274\u4e8e\u8be5\u6f0f\u6d1e\u5f71\u54cd\u8303\u56f4\u8f83\u5927\uff0c\u5efa\u8bae\u5ba2\u6237\u5c3d\u5feb\u505a\u597d\u81ea\u67e5\u53ca\u9632\u62a4\u3002<\/p><p><span style=\"color: #000000;\">\u00a0<\/span><\/p><p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">\u5f71\u54cd\u7248\u672c\uff1a<\/span><\/p><div class=\"effect-version-item\" data-v-27da897c=\"\"><p style=\"padding-left: 40px;\">CVE-2024-47176 cups-browsed &lt;= 2.0.1<\/p><p style=\"padding-left: 40px;\">CVE-2024-47076 libcupsfilters &lt;= 2.1b1<\/p><p style=\"padding-left: 40px;\">CVE-2024-47175 libppd &lt;= 2.1b1<\/p><p style=\"padding-left: 40px;\">CVE-2024-47177 cups-filters &lt;= 2.0.1<\/p><\/div><p><span style=\"color: #000000;\">\u00a0<\/span><\/p><p style=\"padding-left: 40px;\"><span style=\"color: #000000;\">\u4fee\u590d\u5efa\u8bae<\/span><\/p><p style=\"padding-left: 40px;\">\u7531\u4e8e\u516c\u5f00\u62ab\u9732\u65f6\u95f4\u8f83\u65e9\uff0c\u76ee\u524d\u5c1a\u65e0\u9488\u5bf9\u8be5\u6f0f\u6d1e\u7684\u8865\u4e01\u3002<\/p><p style=\"padding-left: 40px;\">\u4e3a\u4e86\u5728\u8865\u4e01\u53d1\u5e03\u4e4b\u524d\u7f13\u89e3\u8fd9\u4e9b\u7f3a\u9677\u7684\u5f71\u54cd\uff0c\u5efa\u8bae<strong>\u7981\u7528\u5e76\u4ece\u6613\u53d7\u653b\u51fb\u7684\u7cfb\u7edf\u4e2d\u79fb\u9664cups-browsed<\/strong>\u3002\u6b64\u5916\uff0cCUPS \u8bbe\u7f6e\u4e3a\u76d1\u542c UDP \u7aef\u53e3 631\uff0c\u56e0\u6b64\u5efa\u8bae<strong>\u963b\u6b62\u6240\u6709\u5230 UDP \u7aef\u53e3 631 \u7684\u6d41\u91cf<\/strong>\u3002<\/p><p style=\"padding-left: 40px;\">\u5728\u9ad8\u53ef\u7528\u6027\u573a\u666f\u4e2d\uff0c\u5efa\u8bae\u5c06 BrowseRemoteProtocols \u6307\u4ee4\u503c<strong>\u4ece\u9ed8\u8ba4\u7684\u201cdnssd cups\u201d\u66f4\u6539\u4e3a\u201cnone\u201d<\/strong>\u3002<\/p><p style=\"padding-left: 40px;\"><strong>\u68c0\u6d4b\u65b9\u6cd5<\/strong><\/p><p style=\"padding-left: 40px;\">\u68c0\u67e5\u7cfb\u7edf\u662f\u5426\u6613\u53d7\u653b\u51fb\uff0c\u9a8c\u8bc1cups-browsed\u7684\u72b6\u6001\uff1a<\/p><p style=\"padding-left: 40px;\">$ sudo systemctl status cups-browsed<\/p><p style=\"padding-left: 40px;\">\u5982\u679c\u7ed3\u679c\u663e\u793a\u201cActive: inactive (dead)\u201d\uff0c\u5219\u7cfb\u7edf\u4e0d\u53d7\u6f0f\u6d1e\u5f71\u54cd\u3002\u5982\u679c\u670d\u52a1\u6b63\u5728\u201c\u8fd0\u884c\u201d\u6216\u201c\u5df2\u542f\u7528\u201d\uff0c\u5219\u7cfb\u7edf\u6613\u53d7\u653b\u51fb\u3002<\/p><p>\u00a0<\/p><p>\u00a0<\/p><div style=\"padding-left: 40px;\">\u53c2\u8003\u8d44\u6599 [1]https:\/\/www.tenable.com\/blog\/cve-2024-47076-cve-2024-47175-cve-2024-47176-cve-2024-47177-faq-cups-vulnerabilities [2]https:\/\/github.com\/OpenPrinting\/cups-browsed\/security\/advisories\/GHSA-rj88-6mr5-rcw8 [3]https:\/\/access.redhat.com\/security\/vulnerabilities\/RHSB-2024-002<\/div><div>\u00a0<\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71f68f3 elementor-widget elementor-widget-post-navigation\" data-id=\"71f68f3\" data-element_type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-post-navigation\">\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\n\t\t\t\t<a href=\"http:\/\/www.gzwangan.com\/?p=4201\" rel=\"prev\"><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-prev\"><i class=\"fa fa-angle-left\" aria-hidden=\"true\"><\/i><span class=\"elementor-screen-only\">Prev<\/span><\/span><span class=\"elementor-post-navigation__link__prev\"><span class=\"post-navigation__prev--title\">WP Job Portal &lt;= 2.1.6 &#8211; Missing Authorization to Unauthenticated Local File Inclusion, Arbitrary Settings Update, and User Creation<\/span><\/span><\/a>\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-post-navigation__next elementor-post-navigation__link\">\n\t\t\t\t<a href=\"http:\/\/www.gzwangan.com\/?p=4275\" rel=\"next\"><span class=\"elementor-post-navigation__link__next\"><span class=\"post-navigation__next--title\">GitLab EE\u6743\u9650\u7ed5\u8fc7\u6f0f\u6d1e (CVE-2024-9164) \u5b89\u5168\u98ce\u9669\u901a\u544a<\/span><\/span><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-next\"><i class=\"fa fa-angle-right\" aria-hidden=\"true\"><\/i><span class=\"elementor-screen-only\">Next<\/span><\/span><\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5885aba1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5885aba1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1293fac3\" data-id=\"1293fac3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u5b89\u5168\u52a8\u6001 \u884c\u4e1a\u52a8\u6001 \u6f0f\u6d1e\u52a8\u6001 \u8054\u7cfb\u65b9\u5f0f \u5730\u5740\uff1a\u00a0\u5e7f\u5dde\u5e02\u8d8a\u79c0\u533a\u4e1c\u98ce\u4e1c\u8def750\u53f7\u5e7f\u8054\u5927\u53a613\u697c1307-1309\u5ba4&hellip; <a class=\"more-link\" href=\"http:\/\/www.gzwangan.com\/?p=4250\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">cups-browsed\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e (CVE-2024-47176) \u5b89\u5168\u98ce\u9669\u901a\u544a<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-4250","post","type-post","status-publish","format-standard","hentry","category-security","entry"],"_links":{"self":[{"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/posts\/4250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4250"}],"version-history":[{"count":4,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/posts\/4250\/revisions"}],"predecessor-version":[{"id":4254,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=\/wp\/v2\/posts\/4250\/revisions\/4254"}],"wp:attachment":[{"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4250"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gzwangan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}