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
Status
Package | Release | Status |
---|---|---|
openldap
Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.45+dfsg-1ubuntu1.10)
|
focal |
Released
(2.4.49+dfsg-2ubuntu1.7)
|
|
groovy |
Released
(2.4.53+dfsg-1ubuntu1.4)
|
|
hirsute |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
impish |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
jammy |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
kinetic |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
lunar |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
mantic |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
noble |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
trusty |
Needed
|
|
upstream |
Released
(2.4.57+dfsg-2)
|
|
xenial |
Released
(2.4.42+dfsg-2ubuntu3.13)
|
|
Patches:
upstream: https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 upstream: https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |