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)
|
|
| 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 |