CVE-2017-17740

moderate-risk
Published 2017-12-18

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.

Do I need to act?

~
6.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (5)

Policy Auditor

Affected Vendors

Openldap Opensuse Oracle Mcafee

References (10)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
Issue Tracking http://www.openldap.org/its/index.cgi/Incoming?id=8759
Third Party Advisory https://kc.mcafee.com/corporate/index?page=content&id=SB10365
Patch https://www.oracle.com/security-alerts/cpuapr2022.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
Issue Tracking http://www.openldap.org/its/index.cgi/Incoming?id=8759
Third Party Advisory https://kc.mcafee.com/corporate/index?page=content&id=SB10365
Patch https://www.oracle.com/security-alerts/cpuapr2022.html
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 9/34 · Low
Exposure 12/34 · Low