CVE-2017-17740
HIGH
7.5
CVSS Score
Published: December 18, 2017 at 06:00 AM UTC
Updated: June 17, 2026 at 01:11 AM UTC
4 products affected across 4 vendorsLeapOpenLDAPBlockchain Platform
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Severity
HIGH7.5
Exploit prediction
EPSS 7%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.5.1
Affected range stops below 6.5.1, so it looks safe — our inference, not a vendor statement
v ≤ 2.4.45
Leap· openSUSEdrupal
95%95%
v < 21.1.2
Affected range stops below 21.1.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.htmlx_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
http://www.openldap.org/its/index.cgi/Incoming?id=8759x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://kc.mcafee.com/corporate/index?page=content&id=SB10365x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuapr2022.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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