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Sicherheit: Ausführen beliebiger Kommandos in Dovecot (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in Dovecot (Aktualisierung)
ID: USN-4110-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM, Ubuntu 14.04 ESM
Datum: Mi, 28. August 2019, 21:57
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11500
Applikationen: dovecot
Update von: Ausführen beliebiger Kommandos in Dovecot

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-4110-2
August 28, 2019

dovecot vulnerability
==========================================================================

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Dovecot could be made to crash or execute arbitrary code if it received
a specially crafted data.

Software Description:
- dovecot: IMAP and POP3 email server

Details:

USN-4110-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly
handled certain data. An attacker could possibly use this issue
to cause a denial of service or execute arbitrary code.

Update instructions:

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

Ubuntu 14.04 ESM:
dovecot-core 1:2.2.9-1ubuntu2.6+esm1

Ubuntu 12.04 ESM:
dovecot-core 1:2.0.19-0ubuntu2.7

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

References:
https://usn.ubuntu.com/4110-2
https://usn.ubuntu.com/4110-1
CVE-2019-11500

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