Oracle Linux 8 : dovecot (ELSA-2020-4763)

Medium Nessus Plugin ID 142787

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VPR Score: 2.2

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-4763 advisory.

- In Dovecot before 2.3.10.1, 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)

- In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart. (CVE-2020-10967)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-4763.html

Plugin Details

Severity: Medium

ID: 142787

File Name: oraclelinux_ELSA-2020-4763.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2020/11/12

Updated: 2020/11/13

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 2.2

CVSS Score Source: CVE-2020-10967

CVSS v2.0

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:dovecot, p-cpe:/a:oracle:linux:dovecot-devel, p-cpe:/a:oracle:linux:dovecot-mysql, p-cpe:/a:oracle:linux:dovecot-pgsql, p-cpe:/a:oracle:linux:dovecot-pigeonhole

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2020/11/10

Vulnerability Publication Date: 2020/05/18

Reference Information

CVE: CVE-2020-10958, CVE-2020-10967