{"id":39371,"date":"2020-11-12T22:22:09","date_gmt":"2020-11-12T13:22:09","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4171-6-apport-regression\/"},"modified":"2020-11-13T01:34:17","modified_gmt":"2020-11-12T16:34:17","slug":"usn-4171-6-apport-regression","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4171-6-apport-regression\/","title":{"rendered":"USN-4171-6: Apport regression"},"content":{"rendered":"<p>USN-4171-6: Apport regression<\/p>\n<p>USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression<br \/>\nwhen handling configuration files. This update fixes the problem, and also<br \/>\nintroduces further hardening measures.<\/p>\n<p>Original advisory details:<\/p>\n<p> Kevin Backhouse discovered Apport would read its user-controlled settings<br \/>\n file as the root user. This could be used by a local attacker to possibly<br \/>\n crash Apport or have other unspecified consequences. (CVE-2019-11481)<\/p>\n<p> Sander Bos discovered a race-condition in Apport during core dump<br \/>\n creation. This could be used by a local attacker to generate a crash report<br \/>\n for a privileged process that is readable by an unprivileged user.<br \/>\n (CVE-2019-11482)<\/p>\n<p> Sander Bos discovered Apport mishandled crash dumps originating from<br \/>\n containers. This could be used by a local attacker to generate a crash<br \/>\n report for a privileged process that is readable by an unprivileged user.<br \/>\n (CVE-2019-11483)<\/p>\n<p> Sander Bos discovered Apport mishandled lock-file creation. This could be<br \/>\n used by a local attacker to cause a denial of service against Apport.<br \/>\n (CVE-2019-11485)<\/p>\n<p> Kevin Backhouse discovered Apport read various process-specific files with<br \/>\n elevated privileges during crash dump generation. This could could be used<br \/>\n by a local attacker to generate a crash report for a privileged process<br \/>\n that is readable by an unprivileged user. (CVE-2019-15790)<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-4171-6\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4171-6: Apport regression<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4171-6: Apport regression USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression when handling configuration files. This update fixes the problem, and also introduces further hardening measures. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. (CVE-2019-11481) Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. (CVE-2019-11482) Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. (CVE-2019-11483) Sander Bos discovered Apport mishandled lock-file <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4171-6-apport-regression\/\" title=\"USN-4171-6: Apport regression\">[ more&#8230; ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-39371","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/39371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=39371"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/39371\/revisions"}],"predecessor-version":[{"id":39372,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/39371\/revisions\/39372"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=39371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=39371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=39371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}