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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)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

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.