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Ubuntu 14.04 ESM: USN-4110-4 Moderate: Dovecot Regression

ubuntu
Calendar Grey August 28, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4111-5 highlights a Dovecot regression vulnerability impacting Ubuntu 16.04 and 18.04.
USN-4110-1 introduced a regression in Dovecot.

Summary

USN-4110-1 introduced a regression in Dovecot.

Software Description:

- dovecot: IMAP and POP3 email server

Details:

USN-4110-1 fixed a vulnerability in Dovecot. The update introduced

a regression causing a wrong check. This update fixes the problem for

Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

We apologize for the inconvenience.

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu Dovecot regression

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+esm2

Ubuntu 12.04 ESM:
  dovecot-core                    1:2.0.19-0ubuntu2.8

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

References

https://ubuntu.com/security/notices/USN-4110-4

https://ubuntu.com/security/notices/USN-4110-1

CVE-2019-11500

Severity
important
Lowest
Low
Medium
High
Critical

August 28, 2019

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu Dovecot regression

Package Information

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