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Ubuntu Security Notice USN-1622-1

Ubuntu Security Notice USN-1622-1
Posted Nov 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1622-1 - It was discovered that the Munin qmailscan plugin incorrectly handled temporary files. A local attacker could use this issue to possibly overwrite arbitrary files. This issue only affected Ubuntu 10.04 LTS, Ubuntu 11.10, and Ubuntu 12.04 LTS. It was discovered that Munin incorrectly handled plugin state file permissions. An attacker obtaining privileges of the munin user could use this issue to escalate privileges to root. Various other issues were also addressed.

tags | advisory, arbitrary, local, root
systems | linux, ubuntu
advisories | CVE-2012-2103, CVE-2012-3512, CVE-2012-3513, CVE-2012-2103, CVE-2012-3512, CVE-2012-3513
MD5 | c0b025398b3748bffe117899225b3f77

Ubuntu Security Notice USN-1622-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1622-1
November 05, 2012

munin vulnerabilities
============================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in Munin.

Software Description:
- munin: Network-wide graphing framework

Details:

It was discovered that the Munin qmailscan plugin incorrectly handled
temporary files. A local attacker could use this issue to possibly
overwrite arbitrary files. This issue only affected Ubuntu 10.04 LTS,
Ubuntu 11.10, and Ubuntu 12.04 LTS. (CVE-2012-2103)

It was discovered that Munin incorrectly handled plugin state file
permissions. An attacker obtaining privileges of the munin user could use
this issue to escalate privileges to root. (CVE-2012-3512)

It was discovered that Munin incorrectly handled specifying an alternate
configuration file. A remote attacker could possibly use this issue to
execute arbitrary code with the privileges of the web server. This issue
only affected Ubuntu 12.10. (CVE-2012-3513)

Update instructions:

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

Ubuntu 12.10:
munin 2.0.2-1ubuntu2.2

Ubuntu 12.04 LTS:
munin 1.4.6-3ubuntu3.3

Ubuntu 11.10:
munin 1.4.5-3ubuntu4.11.10.2

Ubuntu 10.04 LTS:
munin 1.4.4-1ubuntu1.2

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1622-1
CVE-2012-2103, CVE-2012-3512, CVE-2012-3513

Package Information:
https://launchpad.net/ubuntu/+source/munin/2.0.2-1ubuntu2.2
https://launchpad.net/ubuntu/+source/munin/1.4.6-3ubuntu3.3
https://launchpad.net/ubuntu/+source/munin/1.4.5-3ubuntu4.11.10.2
https://launchpad.net/ubuntu/+source/munin/1.4.4-1ubuntu1.2

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