Synopsis

Moderate: unixODBC security update

Type/Severity

Security Advisory: Moderate

Topic

An update for unixODBC is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.

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.

Description

The unixODBC packages contain a framework that supports accessing databases through the ODBC protocol.

Security Fix(es):

• unixODBC: Buffer overflow in unicode_to_ansi_copy() can lead to crash or other unspecified impact (CVE-2018-7409)
• unixODBC: Insecure buffer copy in SQLWriteFileDSN function in odbcinst/SQLWriteFileDSN.c (CVE-2018-7485)

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.

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 for x86_64 - Extended Update Support 7.6 x86_64
• Red Hat Enterprise Linux Server - AUS 7.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
• Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.6 x86_64
• Red Hat Enterprise Linux for ARM 64 7 aarch64
• Red Hat Enterprise Linux for Power 9 7 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
• Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x

Fixes

• BZ - 1548305 - CVE-2018-7409 unixODBC: Buffer overflow in unicode_to_ansi_copy() can lead to crash or other unspecified impact
• BZ - 1549636 - CVE-2018-7485 unixODBC: Insecure buffer copy in SQLWriteFileDSN function in odbcinst/SQLWriteFileDSN.c

CVEs

• CVE-2018-7409
• CVE-2018-7485

References