CVE-2021-46823

Summary

CVECVE-2021-46823
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-06-18 16:15:00 UTC
Updated2023-08-08 14:22:00 UTC
Descriptionpython-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.

Risk And Classification

Problem Types: CWE-1333

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Python-ldap Python-ldap All All All All

References

ReferenceSourceLinkTags
IBM X-Force Exchange MISC exchange.xforce.ibmcloud.com
ReDoS in LDAP schema parser (GHSL-2021-117 #424) · Advisory · python-ldap/python-ldap · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 184730 Debian Security Update for python-ldap (CVE-2021-46823)
  • 198853 Ubuntu Security Notification for Python LDAP Vulnerability (USN-5508-1)
  • 296086 Oracle Solaris 11.4 Support Repository Update (SRU) 51.132.1 Missing (CPUOCT2022)
  • 672273 EulerOS Security Update for python-ldap (EulerOS-SA-2022-2694)
  • 672290 EulerOS Security Update for python-ldap (EulerOS-SA-2022-2662)
  • 672387 EulerOS Security Update for python-ldap (EulerOS-SA-2022-2739)
  • 672397 EulerOS Security Update for python-ldap (EulerOS-SA-2022-2774)
  • 902358 Common Base Linux Mariner (CBL-Mariner) Security Update for python-ldap (9960)
  • 907329 Common Base Linux Mariner (CBL-Mariner) Security Update for python-ldap (9960-1)
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