Man-in-the-Middle (MitM) attack in mutt (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14093
CWE-ID CWE-300
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 mutt (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

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

EUVDB-ID: #VU29423

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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

Install update from vendor's website.

Vulnerable software versions

mutt (Alpine package): 1.14.2-r0 - 1.14.6-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=0dbc03704821fc51c79e797409a5907639e509a3
https://git.alpinelinux.org/aports/commit/?id=1af528ad6a6e88695b2fcb4267abe1fe3774de5f


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.



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