CVE-2020-25692
Published: 30 October 2020
A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.
Priority
Status
Package | Release | Status |
---|---|---|
openldap Launchpad, Ubuntu, Debian |
upstream |
Released
(2.4.55+dfsg-1)
|
bionic |
Released
(2.4.45+dfsg-1ubuntu1.7)
|
|
focal |
Released
(2.4.49+dfsg-2ubuntu1.4)
|
|
trusty |
Released
(2.4.31-1+nmu2ubuntu8.5+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
groovy |
Released
(2.4.53+dfsg-1ubuntu1.1)
|
|
xenial |
Released
(2.4.42+dfsg-2ubuntu3.10)
|
|
Patches: upstream: https://git.openldap.org/openldap/openldap/-/commit/4c774220a752bf8e3284984890dc0931fe73165d |
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 |