Ubuntu 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : tomcat6, tomcat7 vulnerabilities (USN-1685-1)

Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that Tomcat incorrectly performed certain security
constraint checks in the FORM authenticator. A remote attacker could
possibly use this flaw with a specially crafted URI to bypass security
constraint checks. This issue only affected Ubuntu 10.04 LTS, Ubuntu
11.10 and Ubuntu 12.04 LTS. (CVE-2012-3546)

It was discovered that Tomcat incorrectly handled requests that lack a
session identifier. A remote attacker could possibly use this flaw to
bypass the cross-site request forgery protection. (CVE-2012-4431)

It was discovered that Tomcat incorrectly handled sendfile and HTTPS
when the NIO connector is used. A remote attacker could use this flaw
to cause Tomcat to stop responsing, resulting in a denial of service.
This issue only affected Ubuntu 10.04 LTS, Ubuntu 11.10 and Ubuntu
12.04 LTS. (CVE-2012-4534).

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 libtomcat6-java and / or libtomcat7-java packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N)
CVSS Temporal Score : 3.4
(CVSS2#E:POC/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 63535 ()

Bugtraq ID:

CVE ID: CVE-2012-3546
CVE-2012-4431
CVE-2012-4534

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