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AUSCERT External Security Bulletin Redistribution
log4net security update
18 May 2020
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Modify Arbitrary Files -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Reduced Security -- Existing Account
CVE Names: CVE-2018-1285
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running log4net check for an updated version of the software for
their operating system.
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Debian Security Advisory
DLA-2211-1 log4net -- LTS security update
15 May 2020
Security database references:
In Mitre's CVE dictionary: CVE-2018-1285.
It was discovered that there was an XML external entity vulnerability in
log4net, a logging API for the ECMA Common Language Infrastructure (CLI),
sometimes referred to as "Mono".
Apache log4net before 2.0.8 does not disable XML external entities when
parsing log4net configuration files. This could allow for XXE-based
attacks in applications that accept arbitrary configuration files from
For Debian 8 `Jessie', these problems have been fixed in version
We recommend that you upgrade your log4net packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be found
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