{"id":9816,"date":"2026-10-23T11:29:12","date_gmt":"2026-10-23T04:29:12","guid":{"rendered":"https:\/\/longvan.net\/cong-dong\/?p=9816"},"modified":"2026-10-23T12:30:18","modified_gmt":"2026-10-23T05:30:18","slug":"va-loi-php2shell-tren-directadmin","status":"publish","type":"post","link":"https:\/\/longvan.net\/cong-dong\/va-loi-php2shell-tren-directadmin\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt PHP2Shell tr\u00ean DirectAdmin"},"content":{"rendered":"<p>Th\u00f4ng tin t\u1eeb b\u00e0i vi\u1ebft <a href=\"https:\/\/longvan.net\/cong-dong\/canh-bao-khan-cap-loi-hong-bao-mat-php2shell\/\"><strong>C\u1ea2NH B\u00c1O KH\u1ea8N C\u1ea4P: L\u1ed7i h\u1ed5ng b\u1ea3o m\u1eadt PHP2Shell<\/strong><\/a> cho bi\u1ebft, PHP2Shell (bao g\u1ed3m <strong>CVE-2026-109618<\/strong> v\u00e0 <strong>CVE-2026-109619<\/strong>) l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng n\u1eb1m s\u00e2u trong l\u00f5i PHP. L\u1ed7 h\u1ed5ng n\u00e0y cho ph\u00e9p tin t\u1eb7c th\u1ef1c thi m\u00e3 \u0111\u1ed9c t\u1eeb xa (RCE) v\u00e0 chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n to\u00e0n b\u1ed9 m\u00e1y ch\u1ee7 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn b\u1ea5t k\u1ef3 th\u00f4ng tin \u0111\u0103ng nh\u1eadp n\u00e0o.<\/p>\n<p>Tr\u01b0\u1edbc r\u1ee7i ro c\u00e1c website v\u00e0 to\u00e0n b\u1ed9 d\u1eef li\u1ec7u h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c ph\u00e1 ho\u1ea1i b\u1ea5t c\u1ee9 l\u00fac n\u00e0o, vi\u1ec7c c\u1eadp nh\u1eadt b\u1ea3n v\u00e1 l\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3 v\u00e0 c\u1ea5p b\u00e1ch nh\u1ea5t hi\u1ec7n nay. Nh\u1eb1m gi\u00fap c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean nhanh ch\u00f3ng b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh kh\u1ecfi \u0111\u1ee3t t\u1ea5n c\u00f4ng n\u00e0y,<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, <strong>Long V\u00e2n<\/strong> s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch n\u00e2ng c\u1ea5p PHP v\u00e0 v\u00e1 ho\u00e0n to\u00e0n l\u1ed7 h\u1ed5ng PHP2Shell d\u00e0nh cho c\u00e1c m\u00e1y ch\u1ee7 \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb <strong>DirectAdmin<\/strong>.<\/p>\n<h3>C\u00e1c b\u01b0\u1edbc c\u1eadp nh\u1eadt v\u00e0 v\u00e1 l\u1ed7i PHP tr\u00ean DirectAdmin<\/h3>\n<h4>B\u01b0\u1edbc 1: Ki\u1ec3m tra c\u00e1c phi\u00ean b\u1ea3n PHP \u0111ang c\u00e0i \u0111\u1eb7t<\/h4>\n<p>\u0110\u1ea7u ti\u00ean, qu\u00fd kh\u00e1ch c\u1ea7n c\u1eadp nh\u1eadt CustomBuild v\u00e0 ki\u1ec3m tra c\u00e1c phi\u00ean b\u1ea3n PHP hi\u1ec7n t\u1ea1i tr\u00ean m\u00e1y ch\u1ee7:<\/p>\n<pre><code>da update\nda build versions | grep -E \"PHP|Latest\"<\/code><\/pre>\n<h4>B\u01b0\u1edbc 2: Sao l\u01b0u PHP tr\u01b0\u1edbc khi c\u1eadp nh\u1eadt<\/h4>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, h\u00e3y sao l\u01b0u th\u01b0 m\u1ee5c PHP hi\u1ec7n t\u1ea1i tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh bi\u00ean d\u1ecbch l\u1ea1i (v\u00ed d\u1ee5 b\u00ean d\u01b0\u1edbi \u00e1p d\u1ee5ng cho PHP 8.1):<\/p>\n<pre><code>cp -a \/usr\/local\/php81 \/usr\/local\/php81.pre-20261021<\/code><\/pre>\n<p>N\u1ebfu m\u00e1y ch\u1ee7 ch\u1ea1y nhi\u1ec1u phi\u00ean b\u1ea3n PHP, qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 d\u00f9ng l\u1ec7nh v\u00f2ng l\u1eb7p sau \u0111\u1ec3 sao l\u01b0u h\u00e0ng lo\u1ea1t:<\/p>\n<pre><code>for dir in \/usr\/local\/php[0-9]*; do cp -a \"$dir\" \"${dir}.pre-$(date +%Y%m%d)\"; done<\/code><\/pre>\n<p>Ki\u1ec3m tra l\u1ea1i xem b\u1ea3n sao l\u01b0u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh c\u00f4ng hay ch\u01b0a:<\/p>\n<pre><code>ls -d \/usr\/local\/php*.pre-*<\/code><\/pre>\n<h4>B\u01b0\u1edbc 3: Ti\u1ebfn h\u00e0nh Build (Bi\u00ean d\u1ecbch) l\u1ea1i PHP<\/h4>\n<p>Th\u1ef1c hi\u1ec7n l\u1ec7nh sau \u0111\u1ec3 build l\u1ea1i t\u1eebng phi\u00ean b\u1ea3n PHP (v\u00ed d\u1ee5 build PHP 8.1 v\u00e0 l\u01b0u l\u1ea1i log qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t):<\/p>\n<pre><code>da build php 8.1 2&gt;&amp;1 | tee \/var\/log\/build-php81.log<\/code><\/pre>\n<h4>B\u01b0\u1edbc 4: Ki\u1ec3m tra l\u1ea1i phi\u00ean b\u1ea3n sau khi c\u1eadp nh\u1eadt<\/h4>\n<p>Sau khi ti\u1ebfn tr\u00ecnh build ho\u00e0n t\u1ea5t, h\u00e3y ki\u1ec3m tra l\u1ea1i phi\u00ean b\u1ea3n PHP \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3n v\u00e1 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u00e0nh c\u00f4ng (so s\u00e1nh v\u1edbi s\u1ed1 phi\u00ean b\u1ea3n an to\u00e0n \u0111\u00e3 c\u00f4ng b\u1ed1):<\/p>\n<pre><code>\/usr\/local\/php81\/bin\/php -v<\/code><\/pre>\n<h4>C\u00e1ch kh\u00f4i ph\u1ee5c (Restore) n\u1ebfu qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt b\u1ecb l\u1ed7i<\/h4>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p website kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng sau khi c\u1eadp nh\u1eadt, qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i b\u1ea3n sao l\u01b0u \u1edf B\u01b0\u1edbc 2 b\u1eb1ng chu\u1ed7i l\u1ec7nh sau:<\/p>\n<pre><code>systemctl stop php-fpm81\nmv \/usr\/local\/php81 \/usr\/local\/php81.patched\nmv \/usr\/local\/php81.pre-20261021 \/usr\/local\/php81\nsystemctl start php-fpm81<\/code><\/pre>\n<h4>B\u01b0\u1edbc 5: C\u1ea5u h\u00ecnh t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt b\u1ea3n v\u00e1 (T\u00f9y ch\u1ecdn)<\/h4>\n<p>\u0110\u1ec3 tr\u00e1nh b\u1ecf l\u1ee1 c\u00e1c b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt trong t\u01b0\u01a1ng lai, qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp CustomBuild t\u1ef1 \u0111\u1ed9ng ki\u1ec3m tra v\u00e0 nh\u1eadn th\u00f4ng b\u00e1o h\u00e0ng ng\u00e0y (Daily):<\/p>\n<pre><code>da build set cron yes\nda build set cron_frequency daily\nda build set email admin@example.com\nda build set notifications yes\nda build cron<\/code><\/pre>\n<p>N\u1ebfu mu\u1ed1n h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng c\u00e0i \u0111\u1eb7t c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m \u0111\u1ecbnh k\u1ef3 (thay v\u00ec ch\u1ec9 g\u1eedi th\u00f4ng b\u00e1o), h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh sau:<\/p>\n<pre><code>da build set updates yes\nda build cron<\/code><\/pre>\n<p><em><strong>* L\u01b0u \u00fd quan tr\u1ecdng:<\/strong> Trong qu\u00e1 tr\u00ecnh h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng build b\u1ea3n c\u1eadp nh\u1eadt, d\u1ecbch v\u1ee5 Web Server (Apache\/HTTPD) c\u00f3 th\u1ec3 b\u1ecb kh\u1edfi \u0111\u1ed9ng l\u1ea1i (restart) b\u1ea5t k\u1ef3 l\u00fac n\u00e0o g\u00e2y gi\u00e1n \u0111o\u1ea1n nh\u1eb9. H\u00e3y c\u00e2n nh\u1eafc thi\u1ebft l\u1eadp cronjob ch\u1ea1y ngo\u00e0i gi\u1edd cao \u0111i\u1ec3m ho\u1eb7c duy tr\u00ec thao t\u00e1c th\u1ee7 c\u00f4ng n\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a qu\u00fd kh\u00e1ch y\u00eau c\u1ea7u uptime tuy\u1ec7t \u0111\u1ed1i.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00f4ng tin t\u1eeb b\u00e0i vi\u1ebft C\u1ea2NH B\u00c1O KH\u1ea8N C\u1ea4P: L\u1ed7i h\u1ed5ng b\u1ea3o m\u1eadt PHP2Shell cho bi\u1ebft, PHP2Shell (bao g\u1ed3m CVE-2026-109618 v\u00e0 CVE-2026-109619) l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng n\u1eb1m s\u00e2u trong l\u00f5i PHP. L\u1ed7 h\u1ed5ng n\u00e0y cho ph\u00e9p tin t\u1eb7c th\u1ef1c thi m\u00e3 \u0111\u1ed9c t\u1eeb xa (RCE) v\u00e0 chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_oasis_is_in_workflow":0,"_oasis_original":0,"footnotes":""},"categories":[28,1],"tags":[84,479],"class_list":["post-9816","post","type-post","status-publish","format-standard","hentry","category-directadmin","category-huong-dan-chung","tag-directadmin","tag-php2shell"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u01b0\u1edbng d\u1eabn v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt PHP2Shell tr\u00ean DirectAdmin - Long V\u00e2n<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longvan.net\/cong-dong\/va-loi-php2shell-tren-directadmin\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt PHP2Shell tr\u00ean DirectAdmin - Long V\u00e2n\" \/>\n<meta property=\"og:description\" content=\"Th\u00f4ng tin t\u1eeb b\u00e0i vi\u1ebft C\u1ea2NH B\u00c1O KH\u1ea8N C\u1ea4P: L\u1ed7i h\u1ed5ng b\u1ea3o m\u1eadt PHP2Shell cho bi\u1ebft, PHP2Shell (bao g\u1ed3m CVE-2026-109618 v\u00e0 CVE-2026-109619) l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng n\u1eb1m s\u00e2u trong l\u00f5i PHP. 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