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Sicherheit: Zwei Probleme in dovecot (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in dovecot (Aktualisierung)
ID: USN-3587-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM
Datum: Mo, 2. April 2018, 21:55
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14461
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15130
Applikationen: dovecot
Update von: Zwei Probleme in dovecot

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3587-2
April 02, 2018

dovecot vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Dovecot.

Software Description:
- dovecot: IMAP and POP3 email server

Details:

USN-3587-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Dovecot incorrectly handled parsing certain
email addresses. A remote attacker could use this issue to cause
Dovecot to crash, resulting in a denial of service, or possibly obtain
sensitive information. (CVE-2017-14461)

It was discovered that Dovecot incorrectly handled TLS SNI config
lookups. A remote attacker could possibly use this issue to cause
Dovecot to crash, resulting in a denial of service. (CVE-2017-15130)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
dovecot-core 1:2.0.19-0ubuntu2.5

In general, a standard system update will make all the necessary
changes.

References:
https://usn.ubuntu.com/usn/usn-3587-2
https://usn.ubuntu.com/usn/usn-3587-1
CVE-2017-14461, CVE-2017-15130
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