Denial of service in 389-ds-base



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10935
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 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 input validation

EUVDB-ID: #VU15529

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-10935

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The vulnerability exists due to improper processing of Lightweight Directory Access Protocol (LDAP) queries. A remote attacker can send execute the ldapsearch command with server-side sorting controls and cause the LDAP server to crash, resulting in a DoS condition.

Mitigation

The vulnerability has been addressed in the versions 1.3.8.7 and 1.4.0.14.

Vulnerable software versions

389-ds-base: 1.1.0 - 1.4.0.10

CPE2.3 External links

https://pagure.io/389-ds-base/issue/49890


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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. However, proof of concept for this vulnerability is available.



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