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CVE-2020-7046

Published: 12 February 2020

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.

Notes

AuthorNote
mdeslaur
2.3.9 only
introduced by 8f08f1944be438a2422b604c08e5060b5c7bd72f

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
dovecot
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H