CVE-2017-10140: High severity apple macOS High Sierra vulnerability

Published Jun 22, 2017
·
Updated

It was found that Berkeley DB reads the DBCONFIG configuration file from the current working directory by default. This happens when calling dbcreate() with dbenv=NULL; or using the dbmopen() function.

References:

http://seclists.org/oss-sec/2017/q2/452 http://www.postfix.org/announcements/postfix-3.2.2.html

Proposed patch:

http://seclists.org/oss-sec/2017/q2/475

Other sources

Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality in Berkeley DB 2.x and later, related to reading settings from DBCONFIG in the current directory.

Postfix. Multiple issues were addressed by updating to version 3.2.2.

Credit

an anonymous researcher

Affected Software

8 affected componentsFixes available
apple macOS High Sierra<10.13
10.13
apple macOS High Sierra<10.13.1
10.13.1
Apple Sierra
apple El Capitan
Postfix Postfix<2.11.10
Postfix Postfix>=3.0.0<3.0.10
Postfix Postfix>=3.1.0<3.1.6
Postfix Postfix>=3.2.0<3.2.2

Event History

Jun 22, 2017
Data Sourced
via Red Hat·10:17 AM
DescriptionSeverityAffected Software
Apr 16, 2018
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2017-10140?

CVE-2017-10140 is a vulnerability in Postfix that allows local users to gain privileges.

2

How does CVE-2017-10140 affect Postfix?

CVE-2017-10140 affects Postfix versions before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2.

3

What is the severity level of CVE-2017-10140?

The severity level of CVE-2017-10140 is high with a score of 7.8.

4

How can I fix CVE-2017-10140?

You can fix CVE-2017-10140 by updating Postfix to version 3.2.2.

5

Where can I find more information about CVE-2017-10140?

You can find more information about CVE-2017-10140 at the following references: [http://seclists.org/oss-sec/2017/q2/452](http://seclists.org/oss-sec/2017/q2/452), [http://www.postfix.org/announcements/postfix-3.2.2.html](http://www.postfix.org/announcements/postfix-3.2.2.html), [http://seclists.org/oss-sec/2017/q2/475](http://seclists.org/oss-sec/2017/q2/475)

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