Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2019.2056
cyrus-imapd security update
10 June 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: cyrus-imapd
Publisher: Debian
Operating System: Debian GNU/Linux 9
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11356
Original Bulletin:
http://www.debian.org/security/2019/dsa-4458
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running cyrus-imapd check for an updated version of the software for
their operating system.
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Debian Security Advisory DSA-4458-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
June 08, 2019 https://www.debian.org/security/faq
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Package : cyrus-imapd
CVE ID : CVE-2019-11356
A flaw was discovered in the CalDAV feature in httpd of the Cyrus IMAP
server, leading to denial of service or potentially the execution of
arbitrary code via a crafted HTTP PUT operation for an event with a long
iCalendar property name.
For the stable distribution (stretch), this problem has been fixed in
version 2.5.10-3+deb9u1.
We recommend that you upgrade your cyrus-imapd packages.
For the detailed security status of cyrus-imapd please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/cyrus-imapd
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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