Lucene search

K
debianDebianDEBIAN:DSA-4385-1:E9653
HistoryFeb 05, 2019 - 4:34 p.m.

[SECURITY] [DSA 4385-1] dovecot security update

2019-02-0516:34:49
lists.debian.org
136

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

6.9 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.002 Low

EPSS

Percentile

62.1%


Debian Security Advisory DSA-4385-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
February 05, 2019 https://www.debian.org/security/faq


Package : dovecot
CVE ID : CVE-2019-3814

halfdog discovered an authentication bypass vulnerability in the Dovecot
email server. Under some configurations Dovecot mistakenly trusts the
username provided via authentication instead of failing. If there is no
additional password verification, this allows the attacker to login as
anyone else in the system. Only installations using:

    auth_ssl_require_client_cert = yes
    auth_ssl_username_from_cert = yes

are affected by this flaw.

For the stable distribution (stretch), this problem has been fixed in
version 1:2.2.27-3+deb9u3.

We recommend that you upgrade your dovecot packages.

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

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]

OSVersionArchitecturePackageVersionFilename
Debian9alldovecot< 1:2.2.27-3+deb9u3dovecot_1:2.2.27-3+deb9u3_all.deb

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

6.9 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.002 Low

EPSS

Percentile

62.1%