Brute-force attack in Fedora 389-ds-base
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-7551 |
| CWE-ID | CWE-307 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
389-ds-base Server applications / Directory software, identity management |
| Vendor | 389 Directory Server Project |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Brute-force attack
EUVDB-ID: #VU8118
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-7551
CWE-ID:
CWE-307 - Improper Restriction of Excessive Authentication Attempts
Exploit availability: No
DescriptionThe 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.
Update to version 1.3.5.19 or 1.3.6.7.
Vulnerable software versions389-ds-base: 1.1.46 - 1.3.6.6
External linkshttp://pagure.io/389-ds-base/issue/49336
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
