SMTP: Dovecot Submission-Login and LMTP Infinite Loop Denial of Service
This signature detects attempts to exploit a known vulnerability against dovecot SMTP Server. A successful attack can result in a denial-of-service condition.
Extended Description
lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles truncated UTF-8 data in command parameters, as demonstrated by the unauthenticated triggering of a submission-login infinite loop.
Affected Products
Fedoraproject fedora
References
CVE: CVE-2020-7046
Short Name
SMTP:DOS:DOVECOT-LMTP-DOS
Severity
Major
Recommended
True
Recommended Action
None
Category
SMTP
Keywords
CVE-2020-7046 Denial Dovecot Infinite LMTP Loop Service Submission-Login and of
Release Date
04/07/2020
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Dovecot
Fedoraproject
CVSS Score
7.8