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debianDebianDEBIAN:DSA-4634-1:FF078
HistoryFeb 26, 2020 - 9:34 p.m.

[SECURITY] [DSA 4634-1] opensmtpd security update

2020-02-2621:34:50
lists.debian.org
50

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.937 High

EPSS

Percentile

99.1%


Debian Security Advisory DSA-4634-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
February 26, 2020 https://www.debian.org/security/faq


Package : opensmtpd
CVE ID : CVE-2020-8794
Debian Bug : 952453

Qualys discovered that the OpenSMTPD SMTP server performed insufficient
validation of SMTP commands, which could result in local privilege
escalation or the execution of arbitrary code.

For the oldstable distribution (stretch), this problem has been fixed
in version 6.0.2p1-2+deb9u3.

For the stable distribution (buster), this problem has been fixed in
version 6.0.3p1-5+deb10u4.

We recommend that you upgrade your opensmtpd packages.

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

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]

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.937 High

EPSS

Percentile

99.1%