CVE-2019-11499: High severity dovecot vulnerability

Published May 8, 2019
·
Updated

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

Affected Software

5 affected components
Dovecot dovecot>=2.3.3<=2.3.5.2
Fedoraproject Fedora=29
Fedoraproject Fedora=30
openSUSE Leap=15.0
openSUSE Leap=15.1

Event History

May 8, 2019
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
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Frequently Asked Questions

1

What is CVE-2019-11499?

CVE-2019-11499 is a vulnerability in the IMAP Server in Dovecot 2.3.3 through 2.3.5.2 that can cause the submission-login component to crash.

2

How does CVE-2019-11499 affect Dovecot?

CVE-2019-11499 affects Dovecot versions 2.3.3 through 2.3.5.2, potentially causing the submission-login component to crash.

3

What is the severity of CVE-2019-11499?

CVE-2019-11499 has a severity rating of 7.5, which is considered high.

4

How can I mitigate CVE-2019-11499?

To mitigate CVE-2019-11499, it is recommended to update Dovecot to a version higher than 2.3.5.2.

5

Where can I find more information about CVE-2019-11499?

You can find more information about CVE-2019-11499 in the following references: [http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html](http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html), [http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html](http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html), [https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/)

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