Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.3046
postorius security update
10 September 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: postorius
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40347
Original Bulletin:
https://lists.debian.org/debian-security-announce/2021/msg00155.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running postorius check for an updated version of the software for
their operating system.
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Debian Security Advisory DSA-4970-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 09, 2021 https://www.debian.org/security/faq
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Package : postorius
CVE ID : CVE-2021-40347
Kevin Israel discovered that Postorius, the administrative web frontend
for Mailman 3, didn't validate whether a logged-in user owns the email
address when unsubscribing.
For the oldstable distribution (buster), this problem has been fixed
in version 1.2.4-1+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in
version 1.3.4-2+deb11u1.
We recommend that you upgrade your postorius packages.
For the detailed security status of postorius please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/postorius
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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===========================================================================
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