USN-1622-1: Munin vulnerabilities

5 November 2012

Several security issues were fixed in Munin.

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Releases

Packages

  • 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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 12.10
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

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