Vulnerability identifier: #VU13924

Vulnerability risk: Low

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

CVE-ID: N/A

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mutt
Client/Desktop applications / Office applications

Vendor: Mutt.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper sanitization of UID values in pop.c within bcache implementation. A remote attacker that controls the POP3 server can traverse directories on the client's system.

Mitigation
Update to version 1.10.1.

Vulnerable software versions

Mutt: 0.95.6 - 1.10.0

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External links
http://gitlab.com/muttmua/mutt/commit/ed9d7727dc705754871e31cb41420f0ea956495b

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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