SMTP: Dovecot Submission-Login Service Authentication Message Denial of Service

This signature detects attempts to exploit a known vulnerability against Dovecot server. A successful attack can result in a denial-of-service condition.

Extended Description

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 Products

Opensuse leap

Short Name
SMTP:SERVER:CVE-2019-11499-DOS
Severity
Minor
Recommended
True
Recommended Action
None
Category
SMTP
Keywords
Authentication CVE-2019-11499 Denial Dovecot Message Service Submission-Login of
Release Date
06/19/2019
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3590
False Positive
Rarely
Vendors

Opensuse

Dovecot

Fedoraproject

CVSS Score

5.0

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