Home/CVE/contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are ena
CVE

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 ena

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.

HIGH · CVSS 7.5 EPSS 0.06138
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

4
openldap<= 2.4.45
opensuse leapall versions
oracle blockchain platform< 21.1.2
mcafee policy auditor< 6.5.1
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Dec 2017 · 06:29 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11121-1
suse-csafopenSUSE-SU-2019:2176-1
suse-csafopenSUSE-SU-2019:2157-1
suse-csafSUSE-SU-2019:2395-1
suse-csafSUSE-SU-2019:0931-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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