{"id":54395,"date":"2023-10-31T12:55:15","date_gmt":"2023-10-31T12:55:15","guid":{"rendered":"https:\/\/packetstormsecurity.com\/news\/view\/35181\/Atlassian-Wants-Everyone-To-Patch-A-Critical-Confluence-Flaw-Now.html"},"modified":"2023-10-31T12:55:15","modified_gmt":"2023-10-31T12:55:15","slug":"atlassian-wants-everyone-to-patch-a-critical-confluence-flaw-now","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/atlassian-wants-everyone-to-patch-a-critical-confluence-flaw-now\/","title":{"rendered":"Atlassian Wants Everyone To Patch A Critical Confluence Flaw Now"},"content":{"rendered":"<p>Atlassian has told customers they \u201cmust take immediate action\u201d to address a newly discovered flaw in its Confluence collaboration tool.<\/p>\n<p>An <a target=\"_blank\" href=\"https:\/\/confluence.atlassian.com\/security\/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html\" rel=\"noopener\">advisory<\/a> issued on October 31st warns of CVE-2023-22518, described as an \u201cimproper authorization vulnerability in Confluence Data Center and Server\u201d, the on-prem versions of Atlassian\u2019s products.<\/p>\n<p>All versions of Confluence are susceptible to the bug, which Atlassian rates at 9.1\/10 severity on the ten-point Common Vulnerability Scoring System.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"condor\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>The Australian vendor hasn\u2019t detailed the nature of the flaw or how it can facilitate data loss. The company has said it\u2019s not seen any exploits. Perhaps explaining the flaw would tip off attackers.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xmd=\",fluid,mpu,leaderboard,\" data-lg=\",fluid,mpu,leaderboard,\" data-xlg=\",fluid,billboard,superleaderboard,mpu,leaderboard,\" data-xxlg=\",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<div class=\"adun_eagle_desktop_story_wrapper\">\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"mid\" data-raptor=\"eagle\" data-xxlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<\/p><\/div>\n<p>The fix is simple: upgrade immediately to version of Confluence that have patched the mysterious flaw. Confluence versions 7.19.16, 8.3.4, 8.4.4, 8.5.3, 8.6.1, or any version later than those releases, will do the job.<\/p>\n<p>Before you upgrade, Atlassian suggests disconnecting Confluence instances from the public internet. If that\u2019s not doable, the vendor advises restricting external network access until patches are applied.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>Users of SaaS-y Confluence in Atlassian\u2019s cloud have nothing to worry about.<\/p>\n<p>The flaw is the second urgent Confluence bug to have emerged in October. <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/10\/04\/critical_confluence_privilege_escalation_bug\/\" rel=\"noopener\">CVE-2023-22515<\/a>, announced on October 4th, allowed miscreants to create and abuse Confluence admin accounts.<\/p>\n<p>Attackers jumped at the chance to exploit the flaw, leading US authorities to <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/10\/17\/confluence_zero_day_advisory\/\" rel=\"noopener\">urge rapid patching<\/a>.<\/p>\n<p>The company also reported a <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2022\/08\/29\/atlassian_bitbucket_critical_bug\/\" rel=\"noopener\">critical flaw in its BitBucket product<\/a> in August 2022.<\/p>\n<p>Another factor to consider is that support for the Server version of Confluence will end on February 14th, 2024.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" id=\"story_eagle_xsm_sm_md_xmd_lg_xlg\" data-pos=\"mid\" data-raptor=\"eagle\" data-xsm=\",mpu,dmpu,\" data-sm=\",mpu,dmpu,\" data-md=\",mpu,dmpu,\" data-xmd=\",mpu,dmpu,\" data-lg=\",mpu,dmpu,\" data-xlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/patches&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZUKn987OO@6fCktCkpyiVwAAAA0&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>When <em>The Register<\/em> <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/10\/18\/atlassian_server_imgration_deadend\/\" rel=\"noopener\">considered<\/a> that deadline, Atlassian explained it considers itself a cloud-first company and explained that it prioritises the SaaS version of its products. Readers <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/10\/18\/atlassian_server_imgration_deadend\/\" rel=\"noopener\">responded<\/a> with concerns about the cost of migrating to either Atlassian\u2019s Data Center and fears it will receive less attention than the Atlassian cloud.<\/p>\n<p>Two critical flaws in a month certainly suggest self-hosted Confluence is a high-maintenance option, and that the A-Cloud is a more comfortable proposition. Atlassian agrees with that position, but also kept its Data Center products alive out of recognition that not every customer is comfortable in the cloud.<\/p>\n<p>And today they\u2019re not comfortable outside it, either. \u00ae<\/p>\n<p> READ MORE <a href=\"https:\/\/packetstormsecurity.com\/news\/view\/35181\/Atlassian-Wants-Everyone-To-Patch-A-Critical-Confluence-Flaw-Now.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[60],"tags":[1011],"class_list":["post-54395","post","type-post","status-publish","format-standard","hentry","category-packet-storm","tag-headlineflawpatch"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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