CVE-2020-28021
Published: 4 May 2021
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
Priority
Medium
CVSS 3 base score: 8.8
Status
| Package | Release | Status |
|---|---|---|
|
exim4 Launchpad, Ubuntu, Debian |
bionic |
Released
(4.90.1-1ubuntu1.8)
|
| focal |
Released
(4.93-13ubuntu1.5)
|
|
| groovy |
Released
(4.94-7ubuntu1.2)
|
|
| hirsute |
Released
(4.94-15ubuntu1.2)
|
|
| impish |
Released
(4.94-15ubuntu1.2)
|
|
| jammy |
Released
(4.94-15ubuntu1.2)
|
|
| precise |
Does not exist
|
|
| trusty |
Released
(4.82-3ubuntu2.4+esm3)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(4.86.2-2ubuntu2.6+esm1)
|
Notes
| Author | Note |
|---|---|
| leosilva | fix is same as CVE-2020-28015 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28021
- https://ubuntu.com/security/notices/USN-4934-1
- NVD
- Launchpad
- Debian