#VU96022 Resource exhaustion in Dovecot - CVE-2024-23184
Published: August 14, 2024
Vulnerability identifier: #VU96022
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-23184
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Dovecot
Dovecot
Software vendor:
Dovecot
Dovecot
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing a large number of address headers (e.g. From, To, Cc, Bcc, etc.). A remote attacker can send a specially crafted email address to the server, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.