Loop with Unreachable Exit Condition ('Infinite Loop')

Affecting openldap package, versions <2.4.45+dfsg-1ubuntu1.9

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Overview

Affected versions of this package are vulnerable to Loop with Unreachable Exit Condition ('Infinite Loop'). 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.

Remediation

Upgrade openldap to version or higher.

References

CVSS Score

7.5
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2020-36227
CWE
CWE-835
Snyk ID
SNYK-UBUNTU1804-OPENLDAP-1064821
Disclosed
26 Jan, 2021
Published
26 Jan, 2021