bugtraq - [SECURITY] [DSA 4418-1] dovecot security update

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Date: Thu, 28 Mar 2019 20:04:24 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 4418-1] dovecot security update

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Debian Security Advisory DSA-4418-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
March 28, 2019                        https://www.debian.org/security/faq
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Package        : dovecot
CVE ID         : CVE-2019-7524

A vulnerability was discovered in the Dovecot email server. When reading
FTS or POP3-UIDL headers from the Dovecot index, the input buffer size
is not bounds-checked. An attacker with the ability to modify dovecot
indexes, can take advantage of this flaw for privilege escalation or the
execution of arbitrary code with the permissions of the dovecot user.
Only installations using the FTS or pop3 migration plugins are affected.

For the stable distribution (stretch), this problem has been fixed in
version 1:2.2.27-3+deb9u4.

We recommend that you upgrade your dovecot packages.

For the detailed security status of dovecot please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/dovecot

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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