Vulnerability Details

Dovecot 2.3.0 < 2.3.10 Multiple Vulnerabilities

Published: 2020-05-19 04:09:57
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Detection Type:
Remote Banner Unreliable

Solution Type:
Vendor Patch

Summary:
Dovecot is prone to multiple vulnerabilities.

Technical Details:
Dovecot is prone to multiple vulnerabilities: - Unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp. (CVE-2020-10957) - A crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command. (CVE-2020-10958) - remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart. (CVE-2020-10967)

Detection Method:
Checks if a vulnerable version is present on the target host.

Affected Versions:
Dovecot versions 2.3.0 - 2.3.10.

Recommendations:
Update to version 2.3.10.1 or later.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2020-10957
https://nvd.nist.gov/vuln/detail/CVE-2020-10958
https://nvd.nist.gov/vuln/detail/CVE-2020-10967

CVE Analysis

https://www.mageni.net/cve/CVE-2020-10957
https://www.mageni.net/cve/CVE-2020-10958
https://www.mageni.net/cve/CVE-2020-10967

References:

https://dovecot.org/pipermail/dovecot-news/2020-May/000438.html

Severity
High
CVSS Score
7.8
Published
2020-05-19
Modified
2020-05-19
Category
General

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