Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2019.4149
gdb security, bug fix, and enhancement update
6 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: gdb
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-20657
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3352
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running gdb check for an updated version of the software for their
operating system.
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Red Hat Security Advisory
Synopsis: Low: gdb security, bug fix, and enhancement update
Advisory ID: RHSA-2019:3352-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3352
Issue date: 2019-11-05
CVE Names: CVE-2018-20657
=====================================================================
1. Summary:
An update for gdb is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Low. 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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
3. Description:
The GNU Debugger (GDB) allows users to debug programs written in various
programming languages including C, C++, and Fortran.
Security Fix(es):
* libiberty: Memory leak in demangle_template function resulting in a
denial of service (CVE-2018-20657)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.1 Release Notes linked from the References section.
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/):
1664708 - CVE-2018-20657 libiberty: Memory leak in demangle_template function resulting in a denial of service
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
gdb-8.2-6.el8.src.rpm
aarch64:
gdb-8.2-6.el8.aarch64.rpm
gdb-debuginfo-8.2-6.el8.aarch64.rpm
gdb-debugsource-8.2-6.el8.aarch64.rpm
gdb-gdbserver-8.2-6.el8.aarch64.rpm
gdb-headless-8.2-6.el8.aarch64.rpm
noarch:
gdb-doc-8.2-6.el8.noarch.rpm
ppc64le:
gdb-8.2-6.el8.ppc64le.rpm
gdb-debuginfo-8.2-6.el8.ppc64le.rpm
gdb-debugsource-8.2-6.el8.ppc64le.rpm
gdb-gdbserver-8.2-6.el8.ppc64le.rpm
gdb-headless-8.2-6.el8.ppc64le.rpm
s390x:
gdb-8.2-6.el8.s390x.rpm
gdb-debuginfo-8.2-6.el8.s390x.rpm
gdb-debugsource-8.2-6.el8.s390x.rpm
gdb-gdbserver-8.2-6.el8.s390x.rpm
gdb-headless-8.2-6.el8.s390x.rpm
x86_64:
gdb-8.2-6.el8.x86_64.rpm
gdb-debuginfo-8.2-6.el8.x86_64.rpm
gdb-debugsource-8.2-6.el8.x86_64.rpm
gdb-gdbserver-8.2-6.el8.x86_64.rpm
gdb-headless-8.2-6.el8.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-2018-20657
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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