{"id":84979,"date":"2017-10-13T14:44:57","date_gmt":"2017-10-13T09:14:57","guid":{"rendered":"https:\/\/blogs_admin.quickheal.com\/?p=84979"},"modified":"2017-10-13T14:52:22","modified_gmt":"2017-10-13T09:22:22","slug":"cve-2017-11826-microsoft-office-memory-corruption-vulnerability-alert-quick-heal-security-labs","status":"publish","type":"post","link":"https:\/\/www.quickheal.com\/blogs\/cve-2017-11826-microsoft-office-memory-corruption-vulnerability-alert-quick-heal-security-labs\/","title":{"rendered":"CVE-2017-11826 &#8211; Microsoft Office Memory Corruption Vulnerability \u2013 an Alert by Quick Heal Security Labs"},"content":{"rendered":"<p>The recent zero-day vulnerability in Microsoft Office vulnerability <a href=\"https:\/\/portal.msrc.microsoft.com\/en-US\/security-guidance\/advisory\/CVE-2017-11826\">CVE-2017-11826<\/a> enables attackers to perform a Remote Code Execution on targeted machines. According to a recently published <a href=\"https:\/\/360coresec.blogspot.in\/2017\/10\/new-office-0day-cve-2017-11826.html\">blog<\/a> post, this vulnerability is being exploited in the wild. Microsoft has released a security <a href=\"https:\/\/portal.msrc.microsoft.com\/en-US\/security-guidance\/advisory\/CVE-2017-11826\">update<\/a> on October 10, 2017, to fix this issue.<\/p>\n<p><strong>Vulnerable versions<\/strong><\/p>\n<p>The following versions of Microsoft products are affected by this vulnerability:<\/p>\n<ul>\n<li>Microsoft Office Compatibility Pack Service Pack 3<\/li>\n<li>Microsoft Office Online Server 2016<\/li>\n<li>Microsoft Office Web Apps Server 2010 Service Pack 2<\/li>\n<li>Microsoft Office Web Apps Server 2013 Service Pack 1<\/li>\n<li>Microsoft Office Word Viewer<\/li>\n<li>Microsoft SharePoint Enterprise Server 2016<\/li>\n<li>Microsoft Word 2007 Service Pack 3<\/li>\n<li>Microsoft Word 2010 Service Pack 2 (32-bit editions)<\/li>\n<li>Microsoft Word 2010 Service Pack 2 (64-bit editions)<\/li>\n<li>Microsoft Word 2013 RT Service Pack 1<\/li>\n<li>Microsoft Word 2013 Service Pack 1 (32-bit editions)<\/li>\n<li>Microsoft Word 2013 Service Pack 1 (64-bit editions)<\/li>\n<li>Microsoft Word 2016 (32-bit edition)<\/li>\n<li>Microsoft Word 2016 (64-bit edition)<\/li>\n<li>Word Automation Services<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><strong>About the vulnerability <\/strong><\/p>\n<p>This is a type-confusion vulnerability in Microsoft Word which allows attackers to perform a Remote Code Execution on targeted machines. After successful exploitation, attackers can take control of the vulnerable systems and download and execute programs on them.<\/p>\n<p>Reportedly, the vulnerability is currently being exploited in the wild through a malicious RTF document. This RTF file is an initial attack vector that makes a request to a CNC server to download and execute the malware.<\/p>\n<p>According to a <a href=\"https:\/\/www.virustotal.com\/en\/file\/cb3429e608144909ef25df2605c24ec253b10b6e99cbb6657afa6b92e9f32fb5\/analysis\/\">VirusTotal report<\/a>, <strong>Quick Heal products successfully detected the exploit <\/strong>with one of its generic detections &#8211; <strong>&#8216;Exp.Shell.Gen.Q&#8217;<\/strong>.<\/p>\n<p><strong>Quick Heal detections<\/strong><\/p>\n<p>Quick Heal has released the following detection for the vulnerability <a href=\"https:\/\/portal.msrc.microsoft.com\/en-US\/security-guidance\/advisory\/CVE-2017-11826\">CVE-2017-11826<\/a>:<\/p>\n<ul>\n<li>Exp.OLE.CVE-2017-11826<\/li>\n<li>Exp.Shell.Gen.Q<\/li>\n<\/ul>\n<p>The additional detection \u2018Exp.OLE.CVE-2017-11826\u2019 will be available to Quick Heal users in the next update.<\/p>\n<p><strong>Indicators of compromise<\/strong><\/p>\n<p>b2ae500b7376044ae92976d9e4b65af8<\/p>\n<p>Subject Matter Experts<\/p>\n<p>\u2022 Pradeep Kulkarni, Pavankumar Chaudhari <strong>| <\/strong>Quick Heal Security Labs<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The recent zero-day vulnerability in Microsoft Office vulnerability CVE-2017-11826 enables attackers to perform a Remote Code Execution on targeted machines. According to a recently published blog post, this vulnerability is being exploited in the wild. Microsoft has released a security update on October 10, 2017, to fix this issue. Vulnerable versions The following versions of [&hellip;]<\/p>\n","protected":false},"author":31,"featured_media":84800,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[133,24],"tags":[1512,1511,38,718],"class_list":["post-84979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hacker","category-malware","tag-advisiory","tag-cve-2017-11826","tag-vulnerability","tag-zero-day"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/posts\/84979"}],"collection":[{"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/comments?post=84979"}],"version-history":[{"count":9,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/posts\/84979\/revisions"}],"predecessor-version":[{"id":84988,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/posts\/84979\/revisions\/84988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/media\/84800"}],"wp:attachment":[{"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/media?parent=84979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/categories?post=84979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quickheal.com\/blogs\/wp-json\/wp\/v2\/tags?post=84979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}