CVE-2020-25275

Publication date 4 January 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

Read the notes from the security team

Status

Package Ubuntu Release Status
dovecot 20.10 groovy
Fixed 1:2.3.11.3+dfsg1-2ubuntu0.1
20.04 LTS focal
Fixed 1:2.3.7.2-1ubuntu3.3
18.04 LTS bionic
Fixed 1:2.2.33.2-1ubuntu4.7
16.04 LTS xenial
Fixed 1:2.2.22-1ubuntu2.14
14.04 LTS trusty

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Notes

mdeslaur

per upstream, Vulnerable version: 2.3.11-2.3.11.3 we backported fix to earlier releases, so they are vulnerable

Severity score breakdown

Parameter Value
Base score 7.5 · High
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

Related Ubuntu Security Notices (USN)

Other references