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OpenLDAP DoS Vulnerability (Feb 2021)
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
OpenLDAP is prone to a denial of service (DoS) vulnerability.
Insight
Insight
In OpenLDAP an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.
Affected Software
Affected Software
OpenLDAP version 2.4.57 and prior and 2.5.x through 2.5.1alpha.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.4.58, 2.5.4 or later.