CVE-2017-17740

Published: 18 December 2017

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.

Notes

Author	Note
ratliff	nops module does not get built

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
openldap Launchpad, Ubuntu, Debian	artful	Not vulnerable
	trusty	Not vulnerable
	upstream	Needs triage
	xenial	Not vulnerable
	zesty	Not vulnerable

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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