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CVE-2020-10958

Published: 18 May 2020

In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.

Notes

AuthorNote
alexmurray 
According to upstream, versions from 2.3.0 to 2.3.10 are affected

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
dovecot
Launchpad, Ubuntu, Debian 		upstream Needs triage

trusty Not vulnerable
(1:2.2.9-1ubuntu2.6+esm2)
bionic Not vulnerable
(1:2.2.33.2-1ubuntu4.5)
eoan
Released (1:2.3.4.1-5ubuntu3.1)
focal
Released (1:2.3.7.2-1ubuntu3.1)
xenial Not vulnerable
(1:2.2.22-1ubuntu2.12)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

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