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 stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
VendorProductVersion
openldapopenldap
𝑥
≤ 2.4.45
opensuseleap
15.0
opensuseleap
15.1
oracleblockchain_platform
𝑥
< 21.1.2
mcafeepolicy_auditor
𝑥
< 6.5.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openldap
bullseye (security)
unimportant
bullseye
unimportant
bookworm
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openldap
artful
not-affected
zesty
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
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
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