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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.

Common Vulnerabilities and Exposures (CVE)