CVE-2020-12100
Publication date 12 August 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
Status
Package | Ubuntu Release | Status |
---|---|---|
dovecot | 20.04 LTS focal |
Fixed 1:2.3.7.2-1ubuntu3.2
|
18.04 LTS bionic |
Fixed 1:2.2.33.2-1ubuntu4.6
|
|
16.04 LTS xenial |
Fixed 1:2.2.22-1ubuntu2.13
|
|
14.04 LTS trusty |
Fixed 1:2.2.9-1ubuntu2.6+esm3
|
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leosilva
marking precise as ignored since we won't fix it version in that release is quite old and the backports could possibly cause serious regressions.
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)
- USN-4456-1
- Dovecot vulnerabilities
- 12 August 2020
- USN-4456-2
- Dovecot vulnerabilities
- 17 August 2020