CVE-2017-17740
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 7.02% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- openldap/openldap · opensuse/leap · oracle/blockchain platform · mcafee/policy auditor
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.htmlMailing List, Third Party Advisory
- http://www.openldap.org/its/index.cgi/Incoming?id=8759Issue Tracking, Vendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.htmlMailing List, Third Party Advisory
- http://www.openldap.org/its/index.cgi/Incoming?id=8759Issue Tracking, Vendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.