CVE-2018-7409: Buffer Overflow

Published Feb 22, 2018
·
Updated

In unixODBC before 2.3.5, there is a buffer overflow in the unicodetoansicopy() function in DriverManager/info.c.

Other sources

unixODBC before version 2.3.5 is vulnerable to a buffer overflow in the DriverManager/info.c:unicodetoansicopy() method. An attacker could exploit this to cause a denial of service or other unspecified impact.

Upstream Release:

https://sourceforge.net/projects/unixodbc/files/unixODBC/2.3.5/

Upstream Revision:

https://sourceforge.net/p/unixodbc/code/136/#diff-12

— Red Hat

Affected Software

17 affected componentsFixes available
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.1-4.1ubuntu0.1~
2.3.1-4.1ubuntu0.1~
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.4-1.1ubuntu3
2.3.4-1.1ubuntu3
ubuntu/unixodbc<2.3.5
2.3.5
ubuntu/unixodbc<2.2.14
2.2.14
debian/unixodbc
2.3.6-0.12.3.11-2+deb12u12.3.12-1
redhat/unixODBC<2.3.5
2.3.5
unixODBC unixODBC<2.3.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/unixodbc to a version that resolves this vulnerability.

    Fixed in 2.3.4-1.1ubuntu3
  2. Upgrade

    Upgrade ubuntu/unixodbc to a version that resolves this vulnerability.

    Fixed in 2.3.1-4.1ubuntu0.1~
  3. Upgrade

    Upgrade ubuntu/unixodbc to a version that resolves this vulnerability.

    Fixed in 2.3.5
  4. Upgrade

    Upgrade ubuntu/unixodbc to a version that resolves this vulnerability.

    Fixed in 2.2.14
  5. Upgrade

    Upgrade debian/unixodbc to a version that resolves this vulnerability.

    Fixed in 2.3.6-0.1Fixed in 2.3.11-2+deb12u1Fixed in 2.3.12-1
  6. Upgrade

    Upgrade redhat/unixODBC to a version that resolves this vulnerability.

    Fixed in 2.3.5
  7. Upgrade

    Upgrade unixODBC to a version that resolves this vulnerability.

    Fixed in 2.3.5
  8. Compensating control

    If you cannot upgrade immediately, mitigate the denial-of-service risk by restricting or rate-limiting access to the components that trigger unixODBC DriverManager/__info.c:unicode_to_ansi_copy().

Event History

Feb 22, 2018
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Data Sourced
via NVD·06:29 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:09 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2018-7409?

CVE-2018-7409 is a vulnerability in unixODBC before version 2.3.5 that allows a buffer overflow in the unicode_to_ansi_copy() function.

2

What is the severity of CVE-2018-7409?

CVE-2018-7409 has a severity rating of 9.8 (Critical).

3

How does CVE-2018-7409 impact unixODBC?

CVE-2018-7409 affects unixODBC versions before 2.3.5 and could lead to a buffer overflow vulnerability.

4

How can I fix CVE-2018-7409?

To fix CVE-2018-7409, update unixODBC to version 2.3.5 or later.

5

Where can I find more information about CVE-2018-7409?

You can find more information about CVE-2018-7409 at the following references: [1] http://www.unixodbc.org/unixODBC-2.3.5.tar.gz, [2] https://sourceforge.net/projects/unixodbc/files/unixODBC/2.3.5/ChangeLog/download, [3] https://access.redhat.com/errata/RHSA-2019:2336

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