Brute-force attack in 389-ds-base - CVE-2017-7551

 

Brute-force attack in 389-ds-base - CVE-2017-7551

Published: September 6, 2017


Vulnerability identifier: #VU8118
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7551
CWE-ID: CWE-307
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 remote users to perform brute-force attack on the target system.

The vulnerability exists due to different return codes returned on password attempts. A remote attacker can perform password brute-force attacks during account lockout and obtain valid user's credentials.

Successful exploitation of this vulnerability may result in unauthorized access to the system.

How to mitigate CVE-2017-7551

Update to version 1.3.5.19 or 1.3.6.7.

Sources