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CVE-2020-10957

Published: 18 May 2020

In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.

Notes

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

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

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

trusty Not vulnerable
(1:2.2.9-1ubuntu2.6+esm2)
xenial Not vulnerable
(1:2.2.22-1ubuntu2.12)
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)

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

References

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