SB2016120107 - Denial of service in Fedora 389-ds-base



SB2016120107 - Denial of service in Fedora 389-ds-base

Published: December 1, 2016

Security Bulletin ID SB2016120107
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds heap memory read (CVE-ID: CVE-2017-2591)

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the uniqueness_entry_to_config() function due to improper NULL termination of an array in certain configurations of the uiduniq.c source code file. A remote attacker can send a specially crafted request, trigger out-of-bounds heap memory read in the uiduniq.c source code file and cause the service to crash.. 

Remediation

Install update from vendor's website.