Resource exhaustion in Dovecot - CVE-2024-23185

 

Resource exhaustion in Dovecot - CVE-2024-23185

Published: August 14, 2024


Vulnerability identifier: #VU96021
CSH Severity: Medium
CVSS v4.0: 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-2024-23185
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Dovecot
Affected software:
Dovecot

Detailed vulnerability 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 overly large email headers. A remote attacker can send a specially crafted email to the server, trigger resource exhaustion and perform a denial of service (DoS) attack.


How to mitigate CVE-2024-23185

Install updates from vendor's website.

Sources