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Red Hat Security Advisory

Synopsis: Important: quagga security update
Advisory ID: RHSA-2018:0377-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0377
Issue date: 2018-02-28
CVE Names: CVE-2018-5379
=====================================================================

1. Summary:

An update for quagga 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 Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) – aarch64, ppc64le
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) – aarch64, ppc64le

3. Description:

The quagga packages contain Quagga, the free network-routing software suite
that manages TCP/IP based protocols. Quagga supports the BGP4, BGP4+,
OSPFv2, OSPFv3, RIPv1, RIPv2, and RIPng protocols, and is intended to be
used as a Route Server and Route Reflector.

Security Fix(es):

* quagga: Double free vulnerability in bgpd when processing certain forms
of UPDATE message allowing to crash or potentially execute arbitrary code
(CVE-2018-5379)

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 the Quagga project 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

After installing the updated packages, the bgpd daemon must be restarted
for the update to take effect.

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

1542985 – CVE-2018-5379 quagga: Double free vulnerability in bgpd when processing certain forms of UPDATE message allowing to crash or potentially execute arbitrary code

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
quagga-0.99.22.4-5.el7_4.src.rpm

ppc64:
quagga-0.99.22.4-5.el7_4.ppc.rpm
quagga-0.99.22.4-5.el7_4.ppc64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64.rpm

ppc64le:
quagga-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64le.rpm

s390x:
quagga-0.99.22.4-5.el7_4.s390.rpm
quagga-0.99.22.4-5.el7_4.s390x.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.s390.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.s390x.rpm

x86_64:
quagga-0.99.22.4-5.el7_4.i686.rpm
quagga-0.99.22.4-5.el7_4.x86_64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.i686.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.x86_64.rpm

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

Source:
quagga-0.99.22.4-5.el7_4.src.rpm

aarch64:
quagga-0.99.22.4-5.el7_4.aarch64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.aarch64.rpm

ppc64le:
quagga-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64le.rpm

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

ppc64:
quagga-contrib-0.99.22.4-5.el7_4.ppc64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64.rpm
quagga-devel-0.99.22.4-5.el7_4.ppc.rpm
quagga-devel-0.99.22.4-5.el7_4.ppc64.rpm

ppc64le:
quagga-contrib-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-devel-0.99.22.4-5.el7_4.ppc64le.rpm

s390x:
quagga-contrib-0.99.22.4-5.el7_4.s390x.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.s390.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.s390x.rpm
quagga-devel-0.99.22.4-5.el7_4.s390.rpm
quagga-devel-0.99.22.4-5.el7_4.s390x.rpm

x86_64:
quagga-contrib-0.99.22.4-5.el7_4.x86_64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.i686.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.x86_64.rpm
quagga-devel-0.99.22.4-5.el7_4.i686.rpm
quagga-devel-0.99.22.4-5.el7_4.x86_64.rpm

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

aarch64:
quagga-contrib-0.99.22.4-5.el7_4.aarch64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.aarch64.rpm
quagga-devel-0.99.22.4-5.el7_4.aarch64.rpm

ppc64le:
quagga-contrib-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.ppc64le.rpm
quagga-devel-0.99.22.4-5.el7_4.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
quagga-0.99.22.4-5.el7_4.src.rpm

x86_64:
quagga-0.99.22.4-5.el7_4.i686.rpm
quagga-0.99.22.4-5.el7_4.x86_64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.i686.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.x86_64.rpm

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

x86_64:
quagga-contrib-0.99.22.4-5.el7_4.x86_64.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.i686.rpm
quagga-debuginfo-0.99.22.4-5.el7_4.x86_64.rpm
quagga-devel-0.99.22.4-5.el7_4.i686.rpm
quagga-devel-0.99.22.4-5.el7_4.x86_64.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-2018-5379
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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