Ubuntu update for mutt

Published: 2022-04-28

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-32055 CVE-2022-1328
CWE-ID	CWE-125 CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system mutt (Ubuntu package) Operating systems & Components / Operating system package or component mutt-patched (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU53619

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32055

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in imap/util.c in Mutt when processing IMAP sequence, which ends with a comma. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package mutt to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 22.04

mutt (Ubuntu package): before 2.1.4-1ubuntu1.1

mutt-patched (Ubuntu package): before 1.5.24-1ubuntu0.6

External links

http://ubuntu.com/security/notices/USN-5392-1

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.

2) Buffer overflow

EUVDB-ID: #VU62357

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1328

CWE-ID: CWE-119 - Memory corruption