{"id":32961,"date":"2019-09-18T23:08:33","date_gmt":"2019-09-18T14:08:33","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4128-2-tomcat-vulnerabilities\/"},"modified":"2019-09-19T00:34:23","modified_gmt":"2019-09-18T15:34:23","slug":"usn-4128-2-tomcat-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4128-2-tomcat-vulnerabilities\/","title":{"rendered":"USN-4128-2: Tomcat vulnerabilities"},"content":{"rendered":"<p>USN-4128-2: Tomcat vulnerabilities<\/p>\n<h2 id=\"tomcat9-vulnerabilities\">tomcat9 vulnerabilities<\/h2>\n<p>A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n<ul>\n<li>Ubuntu 19.04<\/li>\n<li>Ubuntu 18.04 LTS<\/li>\n<\/ul>\n<h3 id=\"summary\">Summary<\/h3>\n<p>Several security issues were fixed in Tomcat 9.<\/p>\n<h3 id=\"software-description\">Software Description<\/h3>\n<ul>\n<li>tomcat9 &#8211; Servlet and JSP engine<\/li>\n<\/ul>\n<h3 id=\"details\">Details<\/h3>\n<p>It was discovered that the Tomcat 9 SSI printenv command echoed user<br \/>\nprovided data without escaping it. An attacker could possibly use this<br \/>\nissue to perform an XSS attack. (CVE-2019-0221)<\/p>\n<p>It was discovered that Tomcat 9 did not address HTTP\/2 connection window<br \/>\nexhaustion on write while addressing CVE-2019-0199. An attacker could<br \/>\npossibly use this issue to cause a denial of service. (CVE-2019-10072)<\/p>\n<h2 id=\"update-instructions\">Update instructions<\/h2>\n<p>The problem can be corrected by updating your system to the following package versions:<\/p>\n<dl>\n<dt>Ubuntu 19.04<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\">libtomcat9-java<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\/9.0.16-3ubuntu0.19.04.1\">9.0.16-3ubuntu0.19.04.1<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\">tomcat9<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\/9.0.16-3ubuntu0.19.04.1\">9.0.16-3ubuntu0.19.04.1<\/a><\/dd>\n<dt>Ubuntu 18.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\">libtomcat9-java<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\/9.0.16-3ubuntu0.18.04.1\">9.0.16-3ubuntu0.18.04.1<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\">tomcat9<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/tomcat9\/9.0.16-3ubuntu0.18.04.1\">9.0.16-3ubuntu0.18.04.1<\/a><\/dd>\n<\/dl>\n<p>To update your system, please follow these instructions: <a href=\"https:\/\/wiki.ubuntu.com\/Security\/Upgrades\">https:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.<\/p>\n<p>In general, a standard system update will make all the necessary changes.<\/p>\n<h2 id=\"references\">References<\/h2>\n<ul>\n<li><a href=\"https:\/\/usn.ubuntu.com\/usn\/usn-4128-1\">USN-4128-1<\/a><\/li>\n<li><a href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/CVE-2019-0221\">CVE-2019-0221<\/a><\/li>\n<li><a href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/CVE-2019-10072\">CVE-2019-10072<\/a><\/li>\n<\/ul>\n<p>Source: <a href=\"https:\/\/usn.ubuntu.com\/4128-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4128-2: Tomcat vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4128-2: Tomcat vulnerabilities tomcat9 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Summary Several security issues were fixed in Tomcat 9. Software Description tomcat9 &#8211; Servlet and JSP engine Details It was discovered that the Tomcat 9 SSI printenv command echoed user provided data without escaping it. An attacker could possibly use this issue to perform an XSS attack. (CVE-2019-0221) It was discovered that Tomcat 9 did not address HTTP\/2 connection window exhaustion on write while addressing CVE-2019-0199. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-10072) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libtomcat9-java &#8211; 9.0.16-3ubuntu0.19.04.1 tomcat9 &#8211; 9.0.16-3ubuntu0.19.04.1 Ubuntu 18.04 LTS libtomcat9-java &#8211; 9.0.16-3ubuntu0.18.04.1 tomcat9 &#8211; 9.0.16-3ubuntu0.18.04.1 To update your system, please follow <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4128-2-tomcat-vulnerabilities\/\" title=\"USN-4128-2: Tomcat vulnerabilities\">[ 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-32961","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\/32961","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=32961"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/32961\/revisions"}],"predecessor-version":[{"id":32962,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/32961\/revisions\/32962"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=32961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=32961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=32961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}