CVE-2020-25275
Publication date 4 January 2021
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| dovecot | ||
| 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 |
Fixed 1:2.2.9-1ubuntu2.6+esm4
|
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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)
- USN-4674-1
- Dovecot vulnerabilities
- 4 January 2021
- USN-4674-2
- Dovecot vulnerability
- 4 January 2021