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Dovecot 2.2 < 2.3.11.3 Multiple DoS Vulnerabilities

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

3 years ago

Modified

Modified

3 years ago

Summary

Dovecot is prone to multiple Denial-of-Service (DoS) vulnerabilities.

Insight

Insight

Dovecot is prone to multiple vulnerabilities: - The NTLM implementation does not correctly check message buffer size, which leads to reading past allocation which can lead to crash. (CVE-2020-12673) - The RPA mechanism implementation accepts zero-length message, which leads to assert-crash later on. (CVE-2020-12674)

Affected Software

Affected Software

Dovecot versions 2.2 - 2.3.11.2.

Detection Method

Detection Method

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

Solution

Solution

Update to version 2.3.11.3 or later.

Common Vulnerabilities and Exposures (CVE)