CVE-2017-17740 Information

Description

contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45 when both the nops module and the memberof overlay are enabled attempts to free a buffer that was allocated on the stack which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html http://www.openldap.org/its/index.cgi/Incoming?id=8759

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5