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Ubuntu Security Notice USN-3177-1

Posted Jan 24, 2017

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3177-1 - 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. Alvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly 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. Various other issues were also addressed.

tags | advisory, remote

systems | linux, ubuntu

advisories | CVE-2016-0762, CVE-2016-5018, CVE-2016-5388, CVE-2016-6794, CVE-2016-6796, CVE-2016-6797, CVE-2016-6816, CVE-2016-8735, CVE-2016-8745, CVE-2016-9774, CVE-2016-9775

SHA-256 | 2713577ab03cb9b5c070b7a23a9b0c6daedc179f766b08f40cfeaa05ec2a47d5

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