Ubuntu update for dovecot



Published: 2022-07-11
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-30550
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

dovecot-core (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU65119

Risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30550

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly handle multiple passdb
configuration entries. A remote attacker can potentially escalate privileges on the system.

Mitigation

Update the affected package dovecot to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 22.04

dovecot-core (Ubuntu package): before 1:2.3.16+dfsg1-3ubuntu2.1

External links

http://ubuntu.com/security/notices/USN-5509-1


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.



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