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Ubuntu: USN-3556-2 (CVE-2013-6171): Dovecot vulnerabilities

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Ubuntu: USN-3556-2 (CVE-2013-6171): Dovecot vulnerabilities

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
12/09/2013
Created
07/25/2018
Added
02/02/2018
Modified
02/02/2018

Description

checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.

Solution(s)

  • ubuntu-upgrade-dovecot-core

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