CVE-2020-36221
Published: 26 January 2021
An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openldap Launchpad, Ubuntu, Debian |
impish |
Released
(2.4.57+dfsg-2ubuntu1)
|
| upstream |
Released
(2.4.57+dfsg-1)
|
|
| trusty |
Needed
|
|
| hirsute |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
| bionic |
Released
(2.4.45+dfsg-1ubuntu1.9)
|
|
| focal |
Released
(2.4.49+dfsg-2ubuntu1.6)
|
|
| groovy |
Released
(2.4.53+dfsg-1ubuntu1.3)
|
|
| xenial |
Released
(2.4.42+dfsg-2ubuntu3.12)
|
|
| kinetic |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
| lunar |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
| jammy |
Released
(2.4.57+dfsg-2ubuntu1)
|
|
|
Patches: upstream: https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31 upstream: https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842 |
||
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 |