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CVE-2017-17740

Date: December 18, 2017

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.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2017-17740
https://kc.mcafee.com/corporate/index?page=content&id=SB10365
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
https://www.oracle.com/security-alerts/cpuapr2022.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
http://www.openldap.org/its/index.cgi/Incoming?id=8759
https://security-tracker.debian.org/tracker/CVE-2017-17740
https://www.mend.io/vulnerability-database/CVE-2017-17740

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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