ESB-2018.2148 - [UNIX/Linux][Debian] sympa: Modify arbitrary files - Existing account 2018-07-25

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2148
                           sympa security update
                               25 July 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           sympa
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Modify Arbitrary Files -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1000550  

Original Bulletin: 
   https://security-tracker.debian.org/tracker/DLA-1441-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running sympa check for an updated version of the software for their
         operating system.

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Package        : sympa
Version        : 6.1.23~dfsg-2+deb8u2
CVE ID         : CVE-2018-1000550

A vulnerability has been discovered in Sympa, a modern mailing list
manager, that allows write access to files on the server filesystem.
This flaw allows to create or modify any file writable by the Sympa
user, located on the server filesystem, using the function of Sympa
web interface template file saving.

For Debian 8 "Jessie", this problem has been fixed in version
6.1.23~dfsg-2+deb8u2.

We recommend that you upgrade your sympa 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
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