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AUSCERT External Security Bulletin Redistribution
ESB-2016.0528
xymon security update
1 March 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: xymon
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2058 CVE-2016-2057 CVE-2016-2056
CVE-2016-2055 CVE-2016-2054
Reference: ASB-2016.0011
Original Bulletin:
http://www.debian.org/security/2016/dsa-3495
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Debian Security Advisory DSA-3495-1 security@debian.org
https://www.debian.org/security/ Sebastien Delafond
February 29, 2016 https://www.debian.org/security/faq
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Package : xymon
CVE ID : CVE-2016-2054 CVE-2016-2055 CVE-2016-2056 CVE-2016-2057
CVE-2016-2058
Markus Krell discovered that xymon, a network- and
applications-monitoring system, was vulnerable to the following
security issues:
CVE-2016-2054
The incorrect handling of user-supplied input in the "config"
command can trigger a stack-based buffer overflow, resulting in
denial of service (via application crash) or remote code execution.
CVE-2016-2055
The incorrect handling of user-supplied input in the "config"
command can lead to an information leak by serving sensitive
configuration files to a remote user.
CVE-2016-2056
The commands handling password management do not properly validate
user-supplied input, and are thus vulnerable to shell command
injection by a remote user.
CVE-2016-2057
Incorrect permissions on an internal queuing system allow a user
with a local account on the xymon master server to bypass all
network-based access control lists, and thus inject messages
directly into xymon.
CVE-2016-2058
Incorrect escaping of user-supplied input in status webpages can
be used to trigger reflected cross-site scripting attacks.
For the stable distribution (jessie), these problems have been fixed in
version 4.3.17-6+deb8u1.
We recommend that you upgrade your xymon 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/
Mailing list: debian-security-announce@lists.debian.org
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