#VU11126 Improper authentication in 389-ds-base - CVE-2017-15135

Vulnerability identifier: #VU11126

Vulnerability risk: Low

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-15135

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
389-ds-base
Server applications / Directory software, identity management

Vendor: 389 Directory Server Project

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 - 1.3.1.19, 1.4.0 - 1.4.0.3

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External links
https://access.redhat.com/errata/RHSA-2018:0414
https://access.redhat.com/errata/RHSA-2018:0515

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.