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 DB_CONFIG in the current directory.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-10140 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of libdb as shipped with Red Hat Satellite 6.0, 6.1 and 6.2. This package no longer ships with Satellite 6.3. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Satellite 6 | libdb | Not affected |
| Red Hat JBoss Web Server 3.0 | db4 | Will not fix |
| Red Hat JBoss Web Server 3 | db4 | Not affected |
| Red Hat JBoss EWS 2 | db4 | Will not fix |
| Red Hat JBoss EWS 1 | db4 | Will not fix |
| Red Hat JBoss EAP 6 | httpd | Not affected |
| Red Hat JBoss EAP 5 | httpd | Will not fix |
| Red Hat JBoss Core Services 1 | db4 | Will not fix |
| Red Hat Enterprise Linux 7 | postfix | Will not fix |
| Red Hat Enterprise Linux 7 | libdb | Will not fix |
| Red Hat Enterprise Linux 6 | postfix | Will not fix |
| Red Hat Enterprise Linux 6 | db4 | Will not fix |
| Red Hat Enterprise Linux 5 | db4 | Will not fix |
| Red Hat Enterprise Linux 5 | postfix | Will not fix |
| Red Hat Directory Server 8 | db4 | Will not fix |
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