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Red Hat Advisory RHSA-2018-3229-01 Discusses zziplib Crash Vulnerabilities

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
A key security advisory for Red Hat Enterprise Linux 7 highlights a low-rated zziplib update resolving multiple issues.
An update for zziplib is now available for Red Hat Enterprise Linux 7

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

Summary

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.

Topics%20covered

Topics Covered

security advisory denial of service security update red hat low crash zziplib

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

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

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

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

Topic

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 impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security update red hat low crash zziplib

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

Bugs Fixed

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

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