CVE-2021-27212

Published: 14 February 2021

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
openldap
Launchpad, Ubuntu, Debian
Upstream
Released (2.4.57+dfsg-2)
Ubuntu 21.04 (Hirsute Hippo)
Released (2.4.57+dfsg-2ubuntu1)
Ubuntu 20.10 (Groovy Gorilla)
Released (2.4.53+dfsg-1ubuntu1.4)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.4.49+dfsg-2ubuntu1.7)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.4.45+dfsg-1ubuntu1.10)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.4.42+dfsg-2ubuntu3.13)
Ubuntu 14.04 ESM (Trusty Tahr) Needed

Patches:
Upstream: https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 (trunk)
Upstream: https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 (REL_ENG 2.4.x)