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Red Hat Security Advisory

Synopsis: Low: zziplib security update
Advisory ID: RHSA-2018:3229-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3229
Issue date: 2018-10-30
CVE Names: CVE-2018-7725 CVE-2018-7726 CVE-2018-7727
=====================================================================

1. Summary:

An update for zziplib is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – x86_64
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, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) – aarch64, ppc64le, s390x

3. Description:

The zziplib is a lightweight library to easily extract data from zip files.

Security Fix(es):

* zziplib: out of bound read in mmapped.c:zzip_disk_fread() causes crash
(CVE-2018-7725)

* zziplib: Bus error in zip.c:__zzip_parse_root_directory() cause crash via
crafted zip file (CVE-2018-7726)

* zziplib: Memory leak in memdisk.c:zzip_mem_disk_new() can lead to denial
of service via crafted zip (CVE-2018-7727)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.6 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/):

1554662 – CVE-2018-7725 zziplib: out of bound read in mmapped.c:zzip_disk_fread() causes crash
1554672 – CVE-2018-7726 zziplib: Bus error in zip.c:__zzip_parse_root_directory() cause crash via crafted zip file
1554676 – CVE-2018-7727 zziplib: Memory leak in memdisk.c:zzip_mem_disk_new() can lead to denial of service via crafted zip

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
zziplib-0.13.62-9.el7.src.rpm

x86_64:
zziplib-0.13.62-9.el7.i686.rpm
zziplib-0.13.62-9.el7.x86_64.rpm
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm

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

x86_64:
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm
zziplib-devel-0.13.62-9.el7.i686.rpm
zziplib-devel-0.13.62-9.el7.x86_64.rpm
zziplib-utils-0.13.62-9.el7.x86_64.rpm

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

Source:
zziplib-0.13.62-9.el7.src.rpm

x86_64:
zziplib-0.13.62-9.el7.i686.rpm
zziplib-0.13.62-9.el7.x86_64.rpm
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm
zziplib-devel-0.13.62-9.el7.i686.rpm
zziplib-devel-0.13.62-9.el7.x86_64.rpm
zziplib-utils-0.13.62-9.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
zziplib-0.13.62-9.el7.src.rpm

ppc64:
zziplib-0.13.62-9.el7.ppc.rpm
zziplib-0.13.62-9.el7.ppc64.rpm
zziplib-debuginfo-0.13.62-9.el7.ppc.rpm
zziplib-debuginfo-0.13.62-9.el7.ppc64.rpm

ppc64le:
zziplib-0.13.62-9.el7.ppc64le.rpm
zziplib-debuginfo-0.13.62-9.el7.ppc64le.rpm

s390x:
zziplib-0.13.62-9.el7.s390.rpm
zziplib-0.13.62-9.el7.s390x.rpm
zziplib-debuginfo-0.13.62-9.el7.s390.rpm
zziplib-debuginfo-0.13.62-9.el7.s390x.rpm

x86_64:
zziplib-0.13.62-9.el7.i686.rpm
zziplib-0.13.62-9.el7.x86_64.rpm
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm

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

Source:
zziplib-0.13.62-9.el7.src.rpm

aarch64:
zziplib-0.13.62-9.el7.aarch64.rpm
zziplib-debuginfo-0.13.62-9.el7.aarch64.rpm

ppc64le:
zziplib-0.13.62-9.el7.ppc64le.rpm
zziplib-debuginfo-0.13.62-9.el7.ppc64le.rpm

s390x:
zziplib-0.13.62-9.el7.s390.rpm
zziplib-0.13.62-9.el7.s390x.rpm
zziplib-debuginfo-0.13.62-9.el7.s390.rpm
zziplib-debuginfo-0.13.62-9.el7.s390x.rpm

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

aarch64:
zziplib-debuginfo-0.13.62-9.el7.aarch64.rpm
zziplib-devel-0.13.62-9.el7.aarch64.rpm
zziplib-utils-0.13.62-9.el7.aarch64.rpm

ppc64le:
zziplib-debuginfo-0.13.62-9.el7.ppc64le.rpm
zziplib-devel-0.13.62-9.el7.ppc64le.rpm
zziplib-utils-0.13.62-9.el7.ppc64le.rpm

s390x:
zziplib-debuginfo-0.13.62-9.el7.s390.rpm
zziplib-debuginfo-0.13.62-9.el7.s390x.rpm
zziplib-devel-0.13.62-9.el7.s390.rpm
zziplib-devel-0.13.62-9.el7.s390x.rpm
zziplib-utils-0.13.62-9.el7.s390x.rpm

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

ppc64:
zziplib-debuginfo-0.13.62-9.el7.ppc.rpm
zziplib-debuginfo-0.13.62-9.el7.ppc64.rpm
zziplib-devel-0.13.62-9.el7.ppc.rpm
zziplib-devel-0.13.62-9.el7.ppc64.rpm
zziplib-utils-0.13.62-9.el7.ppc64.rpm

ppc64le:
zziplib-debuginfo-0.13.62-9.el7.ppc64le.rpm
zziplib-devel-0.13.62-9.el7.ppc64le.rpm
zziplib-utils-0.13.62-9.el7.ppc64le.rpm

s390x:
zziplib-debuginfo-0.13.62-9.el7.s390.rpm
zziplib-debuginfo-0.13.62-9.el7.s390x.rpm
zziplib-devel-0.13.62-9.el7.s390.rpm
zziplib-devel-0.13.62-9.el7.s390x.rpm
zziplib-utils-0.13.62-9.el7.s390x.rpm

x86_64:
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm
zziplib-devel-0.13.62-9.el7.i686.rpm
zziplib-devel-0.13.62-9.el7.x86_64.rpm
zziplib-utils-0.13.62-9.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
zziplib-0.13.62-9.el7.src.rpm

x86_64:
zziplib-0.13.62-9.el7.i686.rpm
zziplib-0.13.62-9.el7.x86_64.rpm
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm

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

x86_64:
zziplib-debuginfo-0.13.62-9.el7.i686.rpm
zziplib-debuginfo-0.13.62-9.el7.x86_64.rpm
zziplib-devel-0.13.62-9.el7.i686.rpm
zziplib-devel-0.13.62-9.el7.x86_64.rpm
zziplib-utils-0.13.62-9.el7.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-2018-7725
https://access.redhat.com/security/cve/CVE-2018-7726
https://access.redhat.com/security/cve/CVE-2018-7727
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

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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