CVE-2017-17740

NameCVE-2017-17740
Descriptioncontrib/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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openldap (PTS)bullseye (security), bullseye2.4.57+dfsg-3+deb11u1vulnerable
bookworm2.5.13+dfsg-5vulnerable
trixie, sid2.5.18+dfsg-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openldapsource(unstable)(unfixed)unimportant

Notes

http://www.openldap.org/its/index.cgi/Incoming?id=8759
nops slapd-module not built

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