OpenLDAP SASL authcid Name BIND Request DoS

Medium Nessus Plugin ID 23625

Synopsis

The remote LDAP server is prone to a denial of service attack.

Description

The remote host appears to be running OpenLDAP, an open source LDAP directory implementation.

The version of OpenLDAP installed on the remote host fails to handle malformed SASL bind requests. An unauthenticated attacker can leverage this issue to crash the LDAP server on the affected host.

Solution

Upgrade to OpenLDAP 2.3.29 or later.

See Also

http://www.securityfocus.com/archive/1/450728/30/0/threaded

http://www.nessus.org/u?9daf484d

http://www.openldap.org/software/release/changes.html

Plugin Details

Severity: Medium

ID: 23625

File Name: openldap_sasl_bind_dos.nasl

Version: 1.18

Type: remote

Published: 2006/11/07

Modified: 2018/07/16

Dependencies: 20870

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:openldap:openldap

Exploit Available: false

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2006/11/06

Reference Information

CVE: CVE-2006-5779

BID: 20939