Ubuntu 12.04 LTS / 14.04 LTS : tomcat6, tomcat7 regression (USN-3177-2) (httpoxy)

critical Nessus Plugin ID 96978

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Synopsis

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

Description

USN-3177-1 fixed vulnerabilities in Tomcat. The update introduced a regression in environments where Tomcat is started with a security manager. This update fixes the problem.

We apologize for the inconvenience.

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.

See Also

https://usn.ubuntu.com/3177-2/

Plugin Details

Severity: Critical

ID: 96978

File Name: ubuntu_USN-3177-2.nasl

Version: 3.16

Type: local

Agent: unix

Published: 2/3/2017

Updated: 1/12/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libtomcat6-java, p-cpe:/a:canonical:ubuntu_linux:libtomcat7-java, p-cpe:/a:canonical:ubuntu_linux:tomcat6, p-cpe:/a:canonical:ubuntu_linux:tomcat7, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/2/2017

Vulnerability Publication Date: 7/19/2016

Reference Information

CVE: 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

USN: 3177-2