CVE-2017-17740

high

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

Advisories
More

https://www.oracle.com/security-alerts/cpuapr2022.html

https://kc.mcafee.com/corporate/index?page=content&id=SB10365

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html

http://www.openldap.org/its/index.cgi/Incoming?id=8759

Details

Source: Mitre, NVD

Published: 2017-12-18

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.05765