CVE Vulnerabilities

CVE-2020-36227

Loop with Unreachable Exit Condition ('Infinite Loop')

Published: Jan 26, 2021 | 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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A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.

Weakness

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Software

NameVendorStart VersionEnd Version
OpenldapOpenldap*2.4.57 (excluding)
OpenldapUbuntubionic*
OpenldapUbuntudevel*
OpenldapUbuntuesm-infra-legacy/trusty*
OpenldapUbuntuesm-infra/bionic*
OpenldapUbuntuesm-infra/focal*
OpenldapUbuntuesm-infra/xenial*
OpenldapUbuntufocal*
OpenldapUbuntugroovy*
OpenldapUbuntuhirsute*
OpenldapUbuntuimpish*
OpenldapUbuntujammy*
OpenldapUbuntukinetic*
OpenldapUbuntulunar*
OpenldapUbuntumantic*
OpenldapUbuntunoble*
OpenldapUbuntuoracular*
OpenldapUbuntuplucky*
OpenldapUbuntuprecise/esm*
OpenldapUbuntutrusty*
OpenldapUbuntutrusty/esm*
OpenldapUbuntuupstream*
OpenldapUbuntuxenial*

References