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Red Hat Security Advisory 2017-1417-01

Red Hat Security Advisory 2017-1417-01
Posted Jun 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1417-01 - Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fix: It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.

tags | advisory, remote, arbitrary, udp, tcp
systems | linux, redhat
advisories | CVE-2017-5645
MD5 | 99cf9de68f8e84856df2d79d2efa7399

Red Hat Security Advisory 2017-1417-01

Change Mirror Download

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

Synopsis: Important: rh-java-common-log4j security update
Advisory ID: RHSA-2017:1417-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2017:1417
Issue date: 2017-06-08
CVE Names: CVE-2017-5645
=====================================================================

1. Summary:

An update for rh-java-common-log4j is now available for Red Hat Software
Collections.

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 Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch

3. Description:

Log4j is a tool to help the programmer output log statements to a variety
of output targets.

Security Fix(es):

* It was found that when using remote logging with log4j socket server the
log4j server would deserialize any log event received via TCP or UDP. An
attacker could use this flaw to send a specially crafted log event that,
during deserialization, would execute arbitrary code in the context of the
logger application. (CVE-2017-5645)

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/):

1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
rh-java-common-log4j-1.2.17-15.15.el6.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
rh-java-common-log4j-1.2.17-15.15.el6.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

Source:
rh-java-common-log4j-1.2.17-15.15.el6.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el6.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el6.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-java-common-log4j-1.2.17-15.15.el7.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
rh-java-common-log4j-1.2.17-15.15.el7.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el7.noarch.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-java-common-log4j-1.2.17-15.15.el7.src.rpm

noarch:
rh-java-common-log4j-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-javadoc-1.2.17-15.15.el7.noarch.rpm
rh-java-common-log4j-manual-1.2.17-15.15.el7.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-2017-5645
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 2017 Red Hat, Inc.
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