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Gentoo: 201405-17 Normal: Risks from Munin Symlink Attacks Identified

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Calendar Grey May 18, 2014
Scroller Gentoo
Numerous security flaws identified in Munin could cause symlink exploitations, unauthorized file generation, or circumvention of security measures. Respond immediately!
Multiple vulnerabilities have been discovered in Munin which may lead to symlink attacks, file creation, or bypass of security restrictions.

Summary

Multiple vulnerabilities have been discovered in Munin. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory symlink attack Gentoo Linux normal severity Munin risks

Resolution

All Munin users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-analyzer/munin-2.0.8-r2"

References

[ 1 ] CVE-2012-2103 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2103 [ 2 ] CVE-2012-3512 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3512 [ 3 ] CVE-2012-3513 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3513

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201405-17
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Munin: Multiple vulnerabilities
Date: May 18, 2014
Bugs: #412881, #445250
ID: 201405-17

Topics%20covered

Topics Covered

security advisory symlink attack Gentoo Linux normal severity Munin risks

Synopsis

Multiple vulnerabilities have been discovered in Munin which may lead to symlink attacks, file creation, or bypass of security restrictions.

Background

Munin is an open source server monitoring tool.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-analyzer/munin < 2.0.8-r2 >= 2.0.8-r2

Impact

===== A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application. A remote attacker could create files or load new Munin configuration files.

Workaround

There is no known workaround at this time.