The following updates has been released for Debian GNU/Linux 8 LTS:

DLA 1615-1: nagios3 security update
DLA 1616-1: libextractor security update

DLA 1615-1: nagios3 security update

Package : nagios3
Version : 3.5.1.dfsg-2+deb8u1
CVE ID : CVE-2013-7108 CVE-2013-7205 CVE-2014-1878
CVE-2016-9566 CVE-2018-18245
Debian Bug : 771466 823721 917138

Several issues were corrected in nagios3, a monitoring and management
system for hosts, services and networks.

CVE-2018-18245

Maximilian Boehner of usd AG found a cross-site scripting (XSS)
vulnerability in Nagios Core. This vulnerability allows attackers
to place malicious JavaScript code into the web frontend through
manipulation of plugin output. In order to do this the attacker
needs to be able to manipulate the output returned by nagios
checks, e.g. by replacing a plugin on one of the monitored
endpoints. Execution of the payload then requires that an
authenticated user creates an alert summary report which contains
the corresponding output.

CVE-2016-9566

It was discovered that local users with access to an account in
the nagios group are able to gain root privileges via a symlink
attack on the debug log file.

CVE-2014-1878

An issue was corrected that allowed remote attackers to cause a
stack-based buffer overflow and subsequently a denial of service
(segmentation fault) via a long message to cmd.cgi.

CVE-2013-7205 | CVE-2013-7108

A flaw was corrected in Nagios that could be exploited to cause a
denial-of-service. This vulnerability is induced due to an
off-by-one error within the process_cgivars() function, which can
be exploited to cause an out-of-bounds read by sending a
specially-crafted key value to the Nagios web UI.


For Debian 8 "Jessie", these problems have been fixed in version
3.5.1.dfsg-2+deb8u1.

We recommend that you upgrade your nagios3 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

DLA 1616-1: libextractor security update

Package : libextractor
Version : 1:1.3-2+deb8u4
CVE ID : CVE-2018-20430 CVE-2018-20431
Debian Bug : 917214 917213

Two security issues were discovered in libextractor, a library for
extracting meta data from files of arbitrary type. An out-of-bounds
read in common/convert.c and a NULL Pointer Dereference in the OLE2
extractor may lead to a denial-of-service (application crash).

For Debian 8 "Jessie", these problems have been fixed in version
1:1.3-2+deb8u4.

We recommend that you upgrade your libextractor packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS