1. Ubuntu Security Notices
  2. USN-1517-1

USN-1517-1: Mono vulnerabilities

Publication date

25 July 2012

Overview

Mono could be made to expose sensitive information over the network.

Releases

Packages

  • mono - Mono is a platform for running and developing applications

Details

It was discovered that the Mono System.Web library incorrectly filtered
certain error messages related to forbidden files. If a user were tricked
into opening a specially crafted URL, an attacker could possibly exploit
this to conduct cross-site scripting (XSS) attacks. (CVE-2012-3382)

It was discovered that the Mono System.Web library incorrectly handled the
EnableViewStateMac property. If a user were tricked into opening a
specially crafted URL, an attacker could possibly exploit this to conduct
cross-site scripting (XSS) attacks. This issue only affected Ubuntu
10.04 LTS. (CVE-2010-4159)

It was discovered that the Mono System.Web library incorrectly filtered
certain error messages related to forbidden files. If a user were tricked
into opening a specially crafted URL, an attacker could possibly exploit
this to conduct cross-site scripting (XSS) attacks. (CVE-2012-3382)

It was discovered that the Mono System.Web library incorrectly handled the
EnableViewStateMac property. If a user were tricked into opening a
specially crafted URL, an attacker could possibly exploit this to conduct
cross-site scripting (XSS) attacks. This issue only affected Ubuntu
10.04 LTS. (CVE-2010-4159)

Update instructions

After a standard system update you need to restart Mono applications to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
12.04 precise libmono-system-web2.0-cil –  2.10.8.1-1ubuntu2.2
libmono-system-web4.0-cil –  2.10.8.1-1ubuntu2.2
11.10 oneiric libmono-system-web2.0-cil –  2.10.5-1ubuntu0.1
libmono-system-web4.0-cil –  2.10.5-1ubuntu0.1
11.04 natty libmono-system-web2.0-cil –  2.6.7-5ubuntu3.1
libmono-system-web1.0-cil –  2.6.7-5ubuntu3.1
10.04 lucid libmono-system-web2.0-cil –  2.4.4~svn151842-1ubuntu4.1
libmono-system-web1.0-cil –  2.4.4~svn151842-1ubuntu4.1

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References

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