Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openldap | Openldap | <= 2.4.45 |
| Opensuse | Leap | 15.0 |
| Oracle | Blockchain Platform | < 21.1.2 |
| Mcafee | Policy Auditor | < 6.5.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.htmlMailing ListThird Party Advisory
- http://www.openldap.org/its/index.cgi/Incoming?id=8759Issue TrackingVendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.htmlMailing ListThird Party Advisory
- http://www.openldap.org/its/index.cgi/Incoming?id=8759Issue TrackingVendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2017-17740?
CVE-2017-17740 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 re...
How severe is CVE-2017-17740?
CVE-2017-17740 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-17740?
Check the references section above for vendor advisories and patch information. Affected products include: Openldap Openldap, Opensuse Leap, Oracle Blockchain Platform, Mcafee Policy Auditor.