ESB-2018.2149.2 - UPDATE [Debian] mailman: Multiple vulnerabilities 2018-07-30

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.2149.2
                          mailman security update
                               30 July 2018

===========================================================================

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

Product:           mailman
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Cross-site Scripting           -- Remote with User Interaction
                   Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-13796 CVE-2018-0618 

Reference:         ESB-2018.2053

Original Bulletin: 
   https://security-tracker.debian.org/tracker/DLA-1442-1
   https://security-tracker.debian.org/tracker/DLA-1442-2

Comment: This bulletin contains two (2) Debian security advisories.

Revision History:  July 30 2018: Fixed regression introduced by incomplete fix for CVE-2018-13796
                   July 25 2018: Initial Release

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Package        : mailman
Version        : 1:2.1.18-2+deb8u4
Debian Bug     : 904680

The security update of mailman announced as DLA-1442-1 introduced a
regression due to an incomplete fix for CVE-2018-13796 that broke the
admin and listinfo overview pages.

For Debian 8 "Jessie", this problem has been fixed in version
1:2.1.18-2+deb8u4.

We recommend that you upgrade your mailman 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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Package        : mailman
Version        : 1:2.1.18-2+deb8u3
CVE ID         : CVE-2018-0618 CVE-2018-13796
Debian Bug     : 903674

Two flaws were discovered in mailman, a web-based mailing list manager.

CVE-2018-0618

    Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc.
    discovered that mailman is prone to a cross-site scripting flaw
    allowing a malicious listowner to inject scripts into the listinfo
    page, due to not validated input in the host_name field.

CVE-2018-13796

    Hammad Qureshi discovered a content spoofing vulnerability with
    invalid list name messages in the web UI.

For Debian 8 "Jessie", these problems have been fixed in version
1:2.1.18-2+deb8u3.

We recommend that you upgrade your mailman 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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