Debian: DSA-3795-2 Urgent: Munin Local File Manipulation Vulnerability
debian
March 3, 2017
The update for munin issued as DSA-3794-2 caused a regression leading to Perl warnings being appended to the munin-cgi-graph log file
Topics Covered
Summary
Stevie Trujillo discovered a local file write vulnerability in munin, a
network-wide graphing framework, when CGI graphs are enabled. GET
parameters are not properly handled, allowing to inject options into
munin-cgi-graph and overwriting any file accessible by the user running
the cgi-process.
For the stable distribution (jessie), this problem has been fixed in
version 2.0.25-1+deb8u3.
We recommend that you upgrade your munin packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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