Ubuntu.comUB:CVE-2020-28019CVE-2020-28019
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.062 Low
EPSS
Percentile
93.5%
Exim 4 before 4.94.2 has Improper Initialization that can lead to
recursion-based stack consumption or other consequences. This occurs
because use of certain getc functions is mishandled when a client uses BDAT
instead of DATA.
Notes
| Author | Note |
|---|---|
| leosilva | trusty/xenial ESM not affected. vulnerability was introduced by: https://git.exim.org/exim.git/patch/7e3ce68e68ab9b8906a637d352993abf361554e2 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | exim4 | < 4.90.1-1ubuntu1.8 | UNKNOWN |
| ubuntu | 20.04 | noarch | exim4 | < 4.93-13ubuntu1.5 | UNKNOWN |
| ubuntu | 20.10 | noarch | exim4 | < 4.94-7ubuntu1.2 | UNKNOWN |
| ubuntu | 21.04 | noarch | exim4 | < 4.94-15ubuntu1.2 | UNKNOWN |
| ubuntu | 21.10 | noarch | exim4 | < 4.94-15ubuntu1.2 | UNKNOWN |
| ubuntu | 22.04 | noarch | exim4 | < 4.94-15ubuntu1.2 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.062 Low
EPSS
Percentile
93.5%