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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-46823 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1333 Inefficient Regular Expression Complexity cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-46823
NVD Published Date:
06/18/2022
NVD Last Modified:
11/21/2024
Source:
MITRE