CVE-2021-39272
Published: 30 August 2021
Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.
Notes
| Author | Note |
|---|---|
| sbeattie | when backporting, upstream is asking to make sure we update documentation covering the fixes as well |
| mdeslaur | only an issue with IMAP PREAUTH sessions and STARTTLS. It is recommended to switch to implicit TLS |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
fetchmail Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Needed
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needed
|
|
| kinetic |
Ignored
(end of life, was needed)
|
|
| lunar |
Not vulnerable
(6.4.32-1)
|
|
| mantic |
Not vulnerable
(6.4.32-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(6.4.22)
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |