CVE-2017-17740

HIGH

OpenLDAP < 2.4.45 - Denial of Service via Member MODDN Operation

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Issue Tracking, Vendor Advisory x_refsource_misc
http://www.openldap.org/its/index.cgi/Incoming?id=8759
Third Party Advisory x_refsource_confirm
https://kc.mcafee.com/corporate/index?page=content&id=SB10365

Scores

CVSS v3 7.5
EPSS 0.0664
EPSS Percentile 91.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (5)
mcafee/policy_auditor < 6.5.1
openldap/openldap < 2.4.45
opensuse/leap 15.0
opensuse/leap 15.1
oracle/blockchain_platform < 21.1.2
Published Dec 18, 2017
Tracked Since Feb 18, 2026