CVE-2020-12243
Published: 28 April 2020
In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).
Priority
Status
Package | Release | Status |
---|---|---|
openldap
Launchpad, Ubuntu, Debian |
bionic |
Released
(2.4.45+dfsg-1ubuntu1.5)
|
eoan |
Released
(2.4.48+dfsg-1ubuntu1.1)
|
|
focal |
Released
(2.4.49+dfsg-2ubuntu1.2)
|
|
trusty |
Released
(2.4.31-1+nmu2ubuntu8.5+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(2.4.50)
|
|
xenial |
Released
(2.4.42+dfsg-2ubuntu3.8)
|
|
Patches:
upstream: https://git.openldap.org/openldap/openldap/-/commit/d38d48fc8f572dedfb67b9da61a2ba3b125ced91 upstream: https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440 |
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 |