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Debian LTS Advisory ([SECURITY] [DLA 1667-1] dovecot security update)
Information
Severity
Severity
Medium
Family
Family
Debian Local Security Checks
CVSSv2 Base
CVSSv2 Base
4.9
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:S/C:P/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
3 years ago
Modified
Modified
3 years ago
Summary
It was discovered that there was a vulnerability in the dovecot IMAP/POP3 server. A flaw in the TLS username handling could lead to an attacker logging in as anyone else in the system if both auth_ssl_{require_client, username_from}_cert were enabled.
Affected Software
Affected Software
dovecot on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 8 'Jessie', this issue has been fixed in dovecot version 1:2.2.13-12~deb8u5. We recommend that you upgrade your dovecot packages.