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Red Hat Security Advisory 2018-1703-01

Red Hat Security Advisory 2018-1703-01
Posted May 24, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1703-01 - Librelp is an easy-to-use library for the Reliable Event Logging Protocol protocol. RELP is a general-purpose, extensible logging protocol. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow, protocol
systems | linux, redhat
advisories | CVE-2018-1000140
MD5 | fc5d57aa910ab1d6b23347b49d680a31

Red Hat Security Advisory 2018-1703-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Critical: librelp security update
Advisory ID: RHSA-2018:1703-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1703
Issue date: 2018-05-23
CVE Names: CVE-2018-1000140
=====================================================================

1. Summary:

An update for librelp is now available for Red Hat Enterprise Linux 7.2
Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP
Solutions.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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 AUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.2) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.2) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.2) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.2) - x86_64

3. Description:

Librelp is an easy-to-use library for the Reliable Event Logging Protocol
(RELP) protocol. RELP is a general-purpose, extensible logging protocol.

Security Fix(es):

* librelp: Stack-based buffer overflow in relpTcpChkPeerName function in
src/tcp.c (CVE-2018-1000140)

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 Rainer Gerhards (rsyslog) for reporting this
issue. Upstream acknowledges Bas van Schaik (lgtm.com / Semmle) and Kevin
Backhouse (lgtm.com / Semmle) as the original reporters.

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/):

1560084 - CVE-2018-1000140 librelp: Stack-based buffer overflow in relpTcpChkPeerName function in src/tcp.c

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.2):

Source:
librelp-1.2.0-4.el7_2.src.rpm

x86_64:
librelp-1.2.0-4.el7_2.i686.rpm
librelp-1.2.0-4.el7_2.x86_64.rpm
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.2):

Source:
librelp-1.2.0-4.el7_2.src.rpm

ppc64le:
librelp-1.2.0-4.el7_2.ppc64le.rpm
librelp-debuginfo-1.2.0-4.el7_2.ppc64le.rpm

x86_64:
librelp-1.2.0-4.el7_2.i686.rpm
librelp-1.2.0-4.el7_2.x86_64.rpm
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.2):

Source:
librelp-1.2.0-4.el7_2.src.rpm

x86_64:
librelp-1.2.0-4.el7_2.i686.rpm
librelp-1.2.0-4.el7_2.x86_64.rpm
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.2):

x86_64:
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
librelp-devel-1.2.0-4.el7_2.i686.rpm
librelp-devel-1.2.0-4.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.2):

ppc64le:
librelp-debuginfo-1.2.0-4.el7_2.ppc64le.rpm
librelp-devel-1.2.0-4.el7_2.ppc64le.rpm

x86_64:
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
librelp-devel-1.2.0-4.el7_2.i686.rpm
librelp-devel-1.2.0-4.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.2):

x86_64:
librelp-debuginfo-1.2.0-4.el7_2.i686.rpm
librelp-debuginfo-1.2.0-4.el7_2.x86_64.rpm
librelp-devel-1.2.0-4.el7_2.i686.rpm
librelp-devel-1.2.0-4.el7_2.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-2018-1000140
https://access.redhat.com/security/updates/classification/#critical

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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