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Moderate Advisory: Red Hat Enterprise Linux 7 unixODBC Buffer Overflow Fix

red hat
Calendar Grey August 6, 2019
Dist Redhat Esm H88
Red Hat unveils a substantial patch for unixODBC fixing critical vulnerabilities related to buffer overflows and unsafe memory operations.
An update for unixODBC 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 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.
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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat buffer overflow database security unixODBC insecure copy

References

https://access.redhat.com/security/cve/CVE-2018-7409 https://access.redhat.com/security/cve/CVE-2018-7485 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: unixODBC-2.3.1-14.el7.src.rpm
x86_64: unixODBC-2.3.1-14.el7.i686.rpm unixODBC-2.3.1-14.el7.x86_64.rpm unixODBC-debuginfo-2.3.1-14.el7.i686.rpm unixODBC-debuginfo-2.3.1-14.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: unixODBC-debuginfo-2.3.1-14.el7.i686.rpm unixODBC-debuginfo-2.3.1-14.el7.x86_64.rpm unixODBC-devel-2.3.1-14.el7.i686.rpm unixODBC-devel-2.3.1-14.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: unixODBC-2.3.1-14.el7.src.rpm
x86_64: unixODBC-2.3.1-14.el7.i686.rpm unixODBC-2.3.1-14.el7.x86_64.rpm unixODBC-debuginfo-2.3.1-14.el7.i686.rpm unixODBC-debuginfo-2.3.1-14.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: unixODBC-debuginfo-2.3.1-14.el7.i686.rpm unixODBC-debuginfo-2.3.1-14.el7.x86_64.rpm unixODBC-devel-2.3.1-14.el7.i686.rpm unixODBC-devel-2.3.1-14.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: unixODBC-2.3.1-14.el7.src.rpm
ppc64: unixODBC-2.3.1-14.el7.ppc.rpm unixODBC-2.3.1-14.el7.ppc64.rpm unixODBC-debuginfo-2.3.1-14.el7.ppc.rpm unixODBC-debuginfo-2.3.1-14.el7.ppc64.rpm unixODBC-devel-2.3.1-14.el7.ppc.rpm unixODBC-devel-2.3.1-14.el7.ppc64.rpm
ppc64le: unixODBC-2.3.1-14.el7.ppc64le.rpm unixODBC-debuginfo-2.3.1-14.el7.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2019:2336-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2336
Issue date: 2019-08-06

Topic

An update for unixODBC is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 moderate Red Hat buffer overflow database security unixODBC insecure copy

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 (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 Workstation (v. 7) - x86_64

Bugs Fixed

1548305 - CVE-2018-7409 unixODBC: Buffer overflow in unicode_to_ansi_copy() can lead to crash or other unspecified impact

1549636 - CVE-2018-7485 unixODBC: Insecure buffer copy in SQLWriteFileDSN function in odbcinst/SQLWriteFileDSN.c

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