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Dovecot <= 2.2.34 and 2.3.0 Multiple Vulnerabilities
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Dovecot is prone to multiple vulnerabilities.
Insight
Insight
Following vulnerabilities exist: - An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart. - An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
Affected Software
Affected Software
Dovecot version 2.0.0 through 2.2.33 and version 2.3.0.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.2.34 or 2.3.1 respectively.