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CVE Vulnerabilities

CVE-2020-12243

Uncontrolled Recursion

Published: Apr 28, 2020 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-12243
CWEhttps://cwe.mitre.org/data/definitions/674.html

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).

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

NameVendorStart VersionEnd Version
OpenldapOpenldap*2.4.50 (excluding)
Red Hat Enterprise Linux 7RedHatopenldap-0:2.4.44-22.el7*
Red Hat OpenShift DoRedHatopenshiftdo/odo-init-image-rhel7:1.1.3-2*
OpenldapUbuntubionic*
OpenldapUbuntudevel*
OpenldapUbuntueoan*
OpenldapUbuntuesm-infra-legacy/trusty*
OpenldapUbuntuesm-infra/bionic*
OpenldapUbuntuesm-infra/focal*
OpenldapUbuntuesm-infra/xenial*
OpenldapUbuntufocal*
OpenldapUbuntutrusty*
OpenldapUbuntutrusty/esm*
OpenldapUbuntuupstream*
OpenldapUbuntuxenial*

Potential Mitigations

References

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