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
| Author | Note |
|---|---|
| alexmurray | According to upstream, versions from 2.3.0 to 2.3.10 are affected |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
dovecot Launchpad, Ubuntu, Debian |
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)
|
|
| precise |
Not vulnerable
(1:2.0.19-0ubuntu2.8)
|
|
| trusty |
Not vulnerable
(1:2.2.9-1ubuntu2.6+esm2)
|
|
| upstream |
Needs triage
|
|
| 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 |