CVE-2020-25710
Published: 13 November 2020
A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openldap Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.45+dfsg-1ubuntu1.8)
|
| focal |
Released
(2.4.49+dfsg-2ubuntu1.5)
|
|
| groovy |
Released
(2.4.53+dfsg-1ubuntu1.2)
|
|
| trusty |
Released
(2.4.31-1+nmu2ubuntu8.5+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(2.4.56+dfsg-1)
|
|
| xenial |
Released
(2.4.42+dfsg-2ubuntu3.11)
|
|
|
Patches: upstream: https://git.openldap.org/openldap/openldap/-/commit/bdb0d459187522a6063df13871b82ba8dcc6efe2 |
||
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 |