CVE-2020-28024
Published: 04 May 2021
Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
Priority
Medium
CVSS 3 base score: 9.8
Status
| Package | Release | Status |
|---|---|---|
|
exim4 Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 21.04 (Hirsute Hippo) |
Released
(4.94-15ubuntu1.2)
|
|
| Ubuntu 20.10 (Groovy Gorilla) |
Released
(4.94-7ubuntu1.2)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Released
(4.93-13ubuntu1.5)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(4.90.1-1ubuntu1.8)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Released
(4.86.2-2ubuntu2.6+esm1)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Released
(4.82-3ubuntu2.4+esm3)
|