Synopsis

Low: zziplib security update

Type/Severity

Security Advisory: Low

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 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.

Description

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

Security Fix(es):

• zziplib: Bus error caused by loading of a misaligned address inzzip/zip.c (CVE-2018-6541)
• zziplib: Memory leak triggered in the function __zzip_parse_root_directory in zip.c (CVE-2018-16548)

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 7.7 Release Notes linked from the References section.

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1598244 - CVE-2018-6541 zziplib: Bus error caused by loading of a misaligned address inzzip/zip.c
• BZ - 1626200 - CVE-2018-16548 zziplib: Memory leak triggered in the function __zzip_parse_root_directory in zip.c

CVEs

• CVE-2018-6541
• CVE-2018-16548

References