CVE-2019-16928
Published: 28 September 2019
Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.
Notes
| Author | Note |
|---|---|
| mdeslaur |
4.92 and higher only |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
exim4
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| disco |
Released
(4.92-4ubuntu1.4)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches:
upstream: https://git.exim.org/exim.git/patch/478effbfd9c3cc5a627fc671d4bf94d13670d65f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |