{"id":3614,"date":"2014-10-14T16:12:22","date_gmt":"2014-10-14T07:12:22","guid":{"rendered":"http:\/\/auctionpro.co.kr\/?p=3614"},"modified":"2023-02-22T11:35:51","modified_gmt":"2023-02-22T02:35:51","slug":"9%ec%9b%94-25%ec%9d%bc-%eb%b0%9c%ea%b2%ac%eb%90%9c-gnu-bash-%ec%b7%a8%ec%95%bd%ec%a0%90-shellshock-cve-2014-6271-cve-2014-7169","status":"publish","type":"post","link":"https:\/\/www.auctionpro.co.kr\/?p=3614","title":{"rendered":"9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)"},"content":{"rendered":"\n<p>\ucd5c\uadfc 9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)\uc5d0 \ub300\ud558\uc5ec \uc548\ub0b4 \ub4dc\ub9bd\ub2c8\ub2e4. <\/p>\n\n\n\n<p>&#8211; \uc774\ub984 : Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)<br>\n&#8211; \ucde8\uc57d\uc810 \uc815\ubcf4 : GNU bash 4.3 \ubc0f \uc774\uc804 \ubc84\uc804 GNU bash \ucde8\uc57d\uc810\uc744 \uc774\uc6a9\ud558\uc5ec \uc5ec\ub7ec\uac00\uc9c0 \uacf5\uaca9 \uc720\ud615\uc774 \ud0d0\uc9c0\ub418\uace0 \uc788\uc74c<br>\nex) \ubc31\ub3c4\uc5b4 \uc0dd\uc131, \uc545\uc131\ucf54\ub4dc \ub2e4\uc6b4\ub85c\ub4dc, \ud328\uc2a4\uc6cc\ub4dc \ud30c\uc77c \ud0c8\ucde8, \uc6f9\uc258 \uc0dd\uc131, \ud30c\uc77c \uc0ad\uc81c, \uc2dc\uc2a4\ud15c \uac15\uc81c \uc7ac\uc2dc\uc791, \ub514\ub809\ud1a0\ub9ac \uc0ad\uc81c, \uba54\uc77c \ubc1c\uc1a1, \uc2dc\uc2a4\ud15c \uc2ac\ub9bd \ub4f1.<br>\n&#8211; \ub300\uc751 \ubc29\uc548 : GNU bash \uc5c5\ub370\uc774\ud2b8 \ubc84\uc804 \uc124\uce58<br>\nex) CentOS : yum clean all &amp;&amp; yum update bash<br>\n    Ubuntu : apt-get update apt-get install &#8211;only-upgrade <\/p>\n\n\n\n<p>\u25cb \ud130\ubbf8\ub110\uc5d0 \uc811\uc18d\ud55c \ud6c4 \uc544\ub798\uc758 \uba85\ub839\uc5b4 2\uac1c\ub97c \uac01\uac01 \uc2e4\ud589\ud558\uc5ec \u201cvulnerable\u201d \uc774\ub77c\ub294 \uba54\uc2dc\uc9c0\uac00 \ucd9c\ub825\ub418\uc9c0<br>\n\uc54a\uc744 \uacbd\uc6b0 \ubcf4\uc548 \ud328\uce58\uac00 \uc644\ub8cc\ub41c \uac83\uc785\ub2c8\ub2e4.<br>\n &#8211; CVE-2014-6271\uc640 CVE-2014-7169 \ucde8\uc57d\uc810\uc758 \ud328\uce58 \uc5ec\ubd80 \ud655\uc778 \uba85\ub839\uc5b4<\/p>\n\n\n<p>[snippet id=&#8221;172&#8243;]<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:vim decode:true \" title=\"dpkg -s bash | grep Version\" ># env x='() { :;} echo vulnerable' bash -c \"echo this is a test\"\n# env x='() { (a)=&gt;\\' \/bin\/bash -c \"echo echo vulnerable\"; cat echo\n\n\nroot@localhost:~# dpkg -s bash | grep Version\nVersion: 4.2-2ubuntu2\nroot@localhost:~# env x='() { :;} echo vulnerable' bash -c \"echo this is a test\"\nbash: x: \uc904 0: syntax error near unexpected token 'echo'\nbash: x: \uc904 0: 'x () { :;} echo vulnerable'\nbash: error importing function definition for 'x'\nthis is a test\nroot@localhost:~# env x='() { (a)=&gt;\\' \/bin\/bash -c \"echo echo vulnerable\"; cat echo\n\/bin\/bash: x: \uc904 1: syntax error near unexpected token '='\n\/bin\/bash: x: \uc904 1: ''\n\/bin\/bash: error importing function definition for 'x'\nvulnerable<\/pre><\/div>\n\n\n\n<p>\ubb38\uc11c : <a href=\"http:\/\/boho.or.kr\/upload\/file\/EpF859.pdf\" title=\"\ubb38\uc11c\ubcf4\uae30\" target=\"_blank\" rel=\"noopener\">http:\/\/boho.or.kr\/upload\/file\/EpF859.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>\ucd5c\uadfc 9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)\uc5d0 \ub300\ud558\uc5ec \uc548\ub0b4 \ub4dc\ub9bd\ub2c8\ub2e4. &#8211; \uc774\ub984 : Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169) &#8211; \ucde8\uc57d\uc810 \uc815\ubcf4 <a class=\"mh-excerpt-more\" href=\"https:\/\/www.auctionpro.co.kr\/?p=3614\" title=\"9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17],"tags":[171],"class_list":["post-3614","post","type-post","status-publish","format-standard","hentry","category-17","tag-gnu-bash"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169) - AuctionPro<\/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:\/\/www.auctionpro.co.kr\/?p=3614\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169) - AuctionPro\" \/>\n<meta property=\"og:description\" content=\"\ucd5c\uadfc 9\uc6d4 25\uc77c \ubc1c\uacac\ub41c Gnu bash \ucde8\uc57d\uc810 (ShellShock, CVE-2014-6271, CVE-2014-7169)\uc5d0 \ub300\ud558\uc5ec \uc548\ub0b4 \ub4dc\ub9bd\ub2c8\ub2e4. &#8211; 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