CVE-2021-46823

Public on 2022-06-18
Modified on 2024-01-31
Description
python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 python-ldap No Fix Planned
Amazon Linux 2 - Core python-ldap 2024-01-03 ALAS2-2024-2406 Fixed
Amazon Linux 2023 python-ldap3 Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H