Out-of-bounds heap memory read in 389-ds-base - CVE-2017-2591

 

Out-of-bounds heap memory read in 389-ds-base - CVE-2017-2591

Published: May 2, 2018


Vulnerability identifier: #VU12325
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-2591
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: 389 Directory Server Project
Affected software:
389-ds-base

Detailed vulnerability description

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.. 

How to mitigate CVE-2017-2591

Update to version 1.3.6 or later.

Sources