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 |