High severity · published Dec 18, 2017
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 enabled, attempts to free a buffer that was allocated on the…
7.5
CVSS
7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.0% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BP
Blockchain Platform · Oracle
before 21.1.2 · source: NVD
LE
Leap · Opensuse
15.0; 15.1 · source: NVD
OP
Openldap · Openldap
through 2.4.45 · source: NVD
PA
Policy Auditor · Mcafee
before 6.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17740
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00058.html
Issue Tracking
http://www.openldap.org/its/index.cgi/Incoming?id=8759
Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10365
Patch
https://www.oracle.com/security-alerts/cpuapr2022.html
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