Authentication bypass in 389-ds-base



Published: 2018-01-22 | Updated: 2018-03-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-15135
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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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) Improper authentication

EUVDB-ID: #VU11126

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:U]

CVE-ID: CVE-2017-15135

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to bypass authentication on the target system.

The weakness exists due to improper handling of internal hash comparison operations. A remote attacker can bypass the authentication process.

Mitigation

Install update from vendor's website.

Vulnerable software versions

389-ds-base: 1.3.1.0 - 1.4.0.3

External links

http://access.redhat.com/errata/RHSA-2018:0414
http://access.redhat.com/errata/RHSA-2018:0515


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.



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