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AUSCERT External Security Bulletin Redistribution
ESB-2020.3886
gd security update
6 November 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: gd
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6978 CVE-2019-6977 CVE-2018-14553
Reference: ESB-2020.3388
ESB-2020.1198
ESB-2020.0854
ESB-2020.0825
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:4659
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Red Hat Security Advisory
Synopsis: Moderate: gd security update
Advisory ID: RHSA-2020:4659-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4659
Issue date: 2020-11-03
CVE Names: CVE-2018-14553 CVE-2019-6977 CVE-2019-6978
=====================================================================
1. Summary:
An update for gd is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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, ppc64le, s390x, x86_64
3. Description:
GD is an open source code library for the dynamic creation of images by
programmers. GD creates PNG, JPEG, GIF, WebP, XPM, BMP images, among other
formats.
Security Fix(es):
* gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c
(CVE-2019-6977)
* gd: NULL pointer dereference in gdImageClone (CVE-2018-14553)
* gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and
gd_wbmp.c (CVE-2019-6978)
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 8.3 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/):
1600727 - CVE-2018-14553 gd: NULL pointer dereference in gdImageClone
1671390 - CVE-2019-6978 gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c
1672207 - CVE-2019-6977 gd: Heap-based buffer overflow in gdImageColorMatch() in gd_color_match.c
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
gd-2.2.5-7.el8.src.rpm
aarch64:
gd-2.2.5-7.el8.aarch64.rpm
gd-debuginfo-2.2.5-7.el8.aarch64.rpm
gd-debugsource-2.2.5-7.el8.aarch64.rpm
gd-devel-2.2.5-7.el8.aarch64.rpm
gd-progs-debuginfo-2.2.5-7.el8.aarch64.rpm
ppc64le:
gd-2.2.5-7.el8.ppc64le.rpm
gd-debuginfo-2.2.5-7.el8.ppc64le.rpm
gd-debugsource-2.2.5-7.el8.ppc64le.rpm
gd-devel-2.2.5-7.el8.ppc64le.rpm
gd-progs-debuginfo-2.2.5-7.el8.ppc64le.rpm
s390x:
gd-2.2.5-7.el8.s390x.rpm
gd-debuginfo-2.2.5-7.el8.s390x.rpm
gd-debugsource-2.2.5-7.el8.s390x.rpm
gd-devel-2.2.5-7.el8.s390x.rpm
gd-progs-debuginfo-2.2.5-7.el8.s390x.rpm
x86_64:
gd-2.2.5-7.el8.i686.rpm
gd-2.2.5-7.el8.x86_64.rpm
gd-debuginfo-2.2.5-7.el8.i686.rpm
gd-debuginfo-2.2.5-7.el8.x86_64.rpm
gd-debugsource-2.2.5-7.el8.i686.rpm
gd-debugsource-2.2.5-7.el8.x86_64.rpm
gd-devel-2.2.5-7.el8.i686.rpm
gd-devel-2.2.5-7.el8.x86_64.rpm
gd-progs-debuginfo-2.2.5-7.el8.i686.rpm
gd-progs-debuginfo-2.2.5-7.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-2018-14553
https://access.redhat.com/security/cve/CVE-2019-6977
https://access.redhat.com/security/cve/CVE-2019-6978
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_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 2020 Red Hat, Inc.
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