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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: slf4j security update
Advisory ID:       RHSA-2018:0592-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0592
Issue date:        2018-03-26
CVE Names:         CVE-2018-8088 
=====================================================================

1. Summary:

An update for slf4j is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch

3. Description:

The Simple Logging Facade for Java or (SLF4J) is a simple facade for
various logging APIs allowing the end-user to plug in the desired
implementation at deployment time. SLF4J also allows for a gradual
migration path away from Jakarta Commons Logging (JCL).

Security Fix(es):

* slf4j: Deserialisation vulnerability in EventData constructor can allow
for arbitrary code execution (CVE-2018-8088)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Chris McCown for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1548909 - CVE-2018-8088 slf4j: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
slf4j-1.7.4-4.el7_4.src.rpm

noarch:
slf4j-1.7.4-4.el7_4.noarch.rpm
slf4j-javadoc-1.7.4-4.el7_4.noarch.rpm
slf4j-manual-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
slf4j-1.7.4-4.el7_4.src.rpm

noarch:
slf4j-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
slf4j-javadoc-1.7.4-4.el7_4.noarch.rpm
slf4j-manual-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
slf4j-1.7.4-4.el7_4.src.rpm

noarch:
slf4j-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
slf4j-1.7.4-4.el7_4.src.rpm

noarch:
slf4j-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
slf4j-javadoc-1.7.4-4.el7_4.noarch.rpm
slf4j-manual-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

noarch:
slf4j-javadoc-1.7.4-4.el7_4.noarch.rpm
slf4j-manual-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
slf4j-1.7.4-4.el7_4.src.rpm

noarch:
slf4j-1.7.4-4.el7_4.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
slf4j-javadoc-1.7.4-4.el7_4.noarch.rpm
slf4j-manual-1.7.4-4.el7_4.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-8088
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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