Debian update for neomutt

Published: 2020-06-22

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-14093 CVE-2020-14954
CWE-ID	CWE-300 CWE-74
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Debian Linux Operating systems & Components / Operating system neomutt (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Man-in-the-Middle (MitM) attack

EUVDB-ID: #VU29423

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14093

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.

The vulnerability exists within the IMAP fcc/postpone when processing PREAUTH responses. A remote attacker with ability to intercept traffic can perform a Man-in-the-Middle (MitM) attack.

Mitigation

Update neomutt package to version 20180716+dfsg.1-1+deb10u1.

Vulnerable software versions

Debian Linux: All versions

neomutt (Debian package): before 20180716+dfsg.1-1+deb10u1

External links

http://www.debian.org/security/2020/dsa-4708

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Code injection

EUVDB-ID: #VU29425

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14954

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')