Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : tomcat6, tomcat7, tomcat8 vulnerabilities (USN-3177-1) (httpoxy)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

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 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)

It was discovered that Tomcat did not protect applications from
untrusted 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)

It was discovered that Tomcat incorrectly controlled reading system
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)

It was discovered that Tomcat incorrectly controlled certain
configuration 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)

It was discovered that Tomcat incorrectly limited access to global
JNDI 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)

Regis Leroy discovered that Tomcat incorrectly filtered certain
invalid characters from the HTTP request line. A remote attacker could
possibly use this issue to inject data into HTTP responses.
(CVE-2016-6816)

Pierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did
not implement a recommended fix. A remote attacker could possibly use
this issue to execute arbitrary code. (CVE-2016-8735)

It was discovered that Tomcat incorrectly handled error handling in
the send file code. A remote attacker could possibly use this issue to
access information from other requests. (CVE-2016-8745)

Paul Szabo discovered that the Tomcat package incorrectly handled
upgrades and removals. A local attacker could possibly use this issue
to obtain root privileges. (CVE-2016-9774, CVE-2016-9775).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.2
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

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