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debianDebianDEBIAN:DSA-4687-1:14632
HistoryMay 16, 2020 - 2:45 p.m.

[SECURITY] [DSA 4687-1] exim4 security update

2020-05-1614:45:53
lists.debian.org
78

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.6%


Debian Security Advisory DSA-4687-1 [email protected]
https://www.debian.org/security/ Florian Weimer
May 16, 2020 https://www.debian.org/security/faq


Package : exim4
CVE ID : CVE-2020-12783

It was discovered that exim4, a mail transport agent, suffers from a
authentication bypass vulnerability in the spa authentication driver.
The spa authentication driver is not enabled by default.

For the oldstable distribution (stretch), this problem has been fixed
in version 4.89-2+deb9u7.

For the stable distribution (buster), this problem has been fixed in
version 4.92-8+deb10u4.

We recommend that you upgrade your exim4 packages.

For the detailed security status of exim4 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/exim4

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.6%