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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
2 years ago
Modified
Modified
2 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.