Vulnerability · Published Sep 6, 2024 · Assigned by OX

CVE-2024-25584

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in OX Dovecot Pro from Open-Xchange GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 91.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Dovecot accepts dot LF DOT LF symbol as end of DATA command. RFC requires that it should always be CR LF DOT CR LF. This causes Dovecot to convert single mail with LF DOT LF in middle, into two emails when relaying to SMTP. Dovecot will split mail with LF DOT LF into two mails. Upgrade to latest released version. No publicly available exploits are known.

Affected products (as reported)

Vendor	Product	Versions
Open-Xchange GmbH	OX Dovecot Pro	0 – through 2.3.21

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2024/oxdc-adv-2024-0001.json vendor-advisory