CVE-2021-38371
Published: 10 August 2021
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
Notes
Author | Note |
---|---|
mdeslaur | the upstream Exim developers do not consider this to be a security issue, and do not believe this to be exploitable. See exim4 advisory. |
Priority
Status
Package | Release | Status |
---|---|---|
exim4 Launchpad, Ubuntu, Debian |
bionic |
Needed
|
focal |
Needed
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(4.95-4ubuntu2.2)
|
|
kinetic |
Not vulnerable
(4.96-3ubuntu1.1)
|
|
lunar |
Not vulnerable
(4.96-14ubuntu1)
|
|
mantic |
Not vulnerable
(4.96-14ubuntu1)
|
|
noble |
Not vulnerable
(4.96-14ubuntu1)
|
|
trusty |
Needed
|
|
upstream |
Released
(4.95)
|
|
xenial |
Needed
|
|
Patches: upstream: https://git.exim.org/exim.git/commit/1b9ab35f323121aabf029f0496c7227818efad14 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |