Severity
7.5HIGH
EPSS
10.8%
top 6.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 28
Latest updateMay 24

Description

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).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

NVDopenldap/openldap< 2.4.50
Debianopenldap< 2.4.50+dfsg-1+3
NVDapple/mac_os_x10.13.010.13.6+4
NVDopensuse/leap15.1
NVDoracle/solaris10, 11+1

Also affects: Debian Linux 10.0, 8.0, 9.0, Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 19.10, 20.04

Patches

🔴Vulnerability Details

3
GHSA
GHSA-v3qx-x9jr-g987: In filter2022-05-24
CVEList
CVE-2020-12243: In filter2020-04-28
OSV
CVE-2020-12243: In filter2020-04-28

📋Vendor Advisories

5
Apple
CVE-2020-12243: macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra2020-07-15
Ubuntu
OpenLDAP vulnerability2020-05-06
Ubuntu
OpenLDAP vulnerability2020-05-06
Red Hat
openldap: denial of service via nested boolean expressions in LDAP search filters2020-04-28
Debian
CVE-2020-12243: openldap - In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested ...2020

💬Community

2
Bugzilla
CVE-2020-12243 openldap: denial of service via nested boolean expressions in LDAP search filters2020-05-08
Bugzilla
CVE-2020-12243 openldap: denial of service via nested boolean expressions in LDAP search filters [fedora-all]2020-05-08