CVE-2024-23184 Affecting dovecot23-fts-solr package, versions <2.3.15-150200.65.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-SLES156-DOVECOT23FTSSOLR-7887079
  • published4 Sept 2024
  • disclosed3 Sept 2024

Introduced: 3 Sep 2024

CVE-2024-23184  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 dovecot23-fts-solr to version 2.3.15-150200.65.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dovecot23-fts-solr package and not the dovecot23-fts-solr package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

Having a large number of address headers (From, To, Cc, Bcc, etc.) becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors sending emails to a victim, this is a security issue. An external attacker can send specially crafted messages that consume target system resources and cause outage. One can implement restrictions on address headers on MTA component preceding Dovecot. No publicly available exploits are known.

CVSS Base Scores

version 3.1