CVE Vulnerability

CVE-2021-46823

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/python-ldap/python-ldap/security/advisories/GHSA-r8wq-qrxc-hmcm Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/221507 Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:python-ldap:python-ldap:*:*:*:*:*:*:*:*
Information

Published : 2022-06-18 04:15

Updated : 2022-06-28 04:11

NVD link : CVE-2021-46823

Mitre link : CVE-2021-46823

Products Affected
No products.
CWE
NVD-CWE-Other