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OpenLDAP < 2.4.43 DoS Vulnerability

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

11 months ago

Modified

Modified

11 months ago

Summary

OpenLDAP is prone to a denial of service (DoS) vulnerability.

Insight

Insight

The ber_get_next function in libraries/liblber/io.c allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.

Affected Software

Affected Software

OpenLDAP prior to version 2.4.43.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 2.4.43 or later.

Common Vulnerabilities and Exposures (CVE)