CVE-2021-27212
Publication date 14 February 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
openldap | 24.04 LTS noble |
Fixed 2.4.57+dfsg-2ubuntu1
|
22.04 LTS jammy |
Fixed 2.4.57+dfsg-2ubuntu1
|
|
20.04 LTS focal |
Fixed 2.4.49+dfsg-2ubuntu1.7
|
|
18.04 LTS bionic |
Fixed 2.4.45+dfsg-1ubuntu1.10
|
|
16.04 LTS xenial |
Fixed 2.4.42+dfsg-2ubuntu3.13
|
|
14.04 LTS trusty |
Vulnerable
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
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 |
References
Related Ubuntu Security Notices (USN)
- USN-4744-1
- OpenLDAP vulnerability
- 22 February 2021