Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.0109
sa-exim security update
10 January 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: sa-exim
Publisher: Debian
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19920 CVE-2018-11805
Reference: ESB-2019.4667.2
Original Bulletin:
https://www.debian.org/lts/security/2020/dla-2062
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Package : sa-exim
Version : 4.2.1-14+deb8u1
CVE ID : CVE-2019-19920
Debian Bug : 946829
It was found that sa-exim, the SpamAssassin filter for Exim, allows
attackers to execute arbitrary code if users are allowed to run custom
rules. A similar issue was fixed in spamassassin, CVE-2018-11805, which
caused a functional regression in sa-exim. This update restores the
compatibility between spamassassin and sa-exim. The security
implications of sa-exim's greylisting function are also documented in
/usr/share/doc/sa-exim/README.greylisting.gz.
For Debian 8 "Jessie", this problem has been fixed in version
4.2.1-14+deb8u1.
We recommend that you upgrade your sa-exim 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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===========================================================================
Australian Computer Emergency Response Team
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