CVE-2017-17740
Published: August 31, 2023Last modified: August 31, 2023
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.
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 |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | openldap | Not affected (2.6.3-r6) |
| Stream | openldap | Not affected (2.6.6-r0) |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
- http://www.openldap.org/its/index.cgi/Incoming?id=8759
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365
- https://www.oracle.com/security-alerts/cpuapr2022.html