USN-3177-2: Tomcat regression<\/p>\n
2nd February, 2017<\/em><\/p>\n A security issue affects these releases of Ubuntu and its USN-3177-1 introduced a regression in Tomcat.\n<\/p>\n USN-3177-1 fixed vulnerabilities in Tomcat. The update introduced a We apologize for the inconvenience.<\/p>\n Original advisory details:<\/p>\n It was discovered that the Tomcat realm implementations incorrectly handled Alvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly It was discovered that Tomcat did not protect applications from untrusted It was discovered that Tomcat incorrectly controlled reading system It was discovered that Tomcat incorrectly controlled certain configuration It was discovered that Tomcat incorrectly limited access to global JNDI Regis Leroy discovered that Tomcat incorrectly filtered certain invalid Pierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not It was discovered that Tomcat incorrectly handled error handling in the Paul Szabo discovered that the Tomcat package incorrectly handled upgrades The problem can be corrected by updating your system to the following To update your system, please follow these instructions: In general, a standard system update will make all the necessary changes.<\/p>\n LP: 1659589<\/a><\/p>\n Source: USN-3177-2: Tomcat regression<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" USN-3177-2: Tomcat regression Ubuntu Security Notice USN-3177-2 2nd February, 2017 tomcat6, tomcat7 regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary USN-3177-1 introduced a regression in Tomcat. Software description tomcat6 – Servlet and JSP engine tomcat7 – Servlet and JSP engine Details USN-3177-1 fixed vulnerabilities in Tomcat. The update introduced aregression in environments where Tomcat is started with a security manager.This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username didn't exist. A remote attacker could possibly use this issue to enumerate usernames. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-0762) Alvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly limited use of a certain [ more… ]<\/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-13698","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\/13698","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=13698"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/13698\/revisions"}],"predecessor-version":[{"id":13699,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/13698\/revisions\/13699"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=13698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=13698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=13698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}tomcat6, tomcat7 regression<\/h3>\n
\n derivatives:<\/p>\n\n
Summary<\/h3>\n
Software description<\/h3>\n
\n
\n – Servlet and JSP engine<\/p>\n<\/li>\n
\n – Servlet and JSP engine<\/p>\n<\/li>\n<\/ul>\nDetails<\/h3>\n
regression in environments where Tomcat is started with a security manager.
This update fixes the problem.<\/p>\n
passwords when a username didn't exist. A remote attacker could possibly
use this issue to enumerate usernames. This issue only applied to Ubuntu
12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-0762<\/a>)<\/p>\n
limited use of a certain utility method. A malicious application could
possibly use this to bypass Security Manager restrictions. This issue only
applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-5018<\/a>)<\/p>\n
data in the HTTP_PROXY environment variable. A remote attacker could
possibly use this issue to redirect outbound traffic to an arbitrary proxy
server. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and
Ubuntu 16.04 LTS. (CVE-2016-5388<\/a>)<\/p>\n
properties. A malicious application could possibly use this to bypass
Security Manager restrictions. This issue only applied to Ubuntu 12.04 LTS,
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6794<\/a>)<\/p>\n
parameters. A malicious application could possibly use this to bypass
Security Manager restrictions. This issue only applied to Ubuntu 12.04 LTS,
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6796<\/a>)<\/p>\n
resources. A malicious application could use this to access any global JNDI
resource without an explicit ResourceLink. This issue only applied to
Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6797<\/a>)<\/p>\n
characters from the HTTP request line. A remote attacker could possibly
use this issue to inject data into HTTP responses. (CVE-2016-6816<\/a>)<\/p>\n
implement a recommended fix. A remote attacker could possibly use this
issue to execute arbitrary code. (CVE-2016-8735<\/a>)<\/p>\n
send file code. A remote attacker could possibly use this issue to access
information from other requests. (CVE-2016-8745<\/a>)<\/p>\n
and removals. A local attacker could possibly use this issue to obtain
root privileges. (CVE-2016-9774<\/a>, CVE-2016-9775<\/a>)<\/p>\nUpdate instructions<\/h3>\n
\npackage version:<\/p>\n\n
\n
\n 7.0.52-1ubuntu0.9<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 7.0.52-1ubuntu0.9<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 6.0.35-1ubuntu3.10<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 6.0.35-1ubuntu3.10<\/a>
\n <\/span>\n <\/dd>\n<\/dl>\n
\nhttps:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.\n<\/p>\nReferences<\/h3>\n