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Vulnerability of OpenLDAP: NULL pointer dereference via modrdn

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via modrdn of OpenLDAP, in order to trigger a denial of service.
Impacted software: Debian, OpenLDAP, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 02/11/2020.
Références of this announce: CVE-2020-25692, DLA-2425-1, DSA-4782-1, openSUSE-SU-2020:1920-1, SUSE-SU-2020:14541-1, SUSE-SU-2020:3313-1, SUSE-SU-2020:3314-1, SUSE-SU-2020:3315-1, USN-4622-1, USN-4622-2, VIGILANCE-VUL-33748.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via modrdn of OpenLDAP, ...
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This vulnerability alert impacts software or systems such as Debian, OpenLDAP, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness alert is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer vulnerability.

Solutions for this threat 

This vulnerability patch will be public soon.
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