Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3052-1 cyrus-imapd security update
EUVD EUVD EUVD-2021-20268 Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16.
Ubuntu USN Ubuntu USN USN-7224-1 Cyrus IMAP Server vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T23:50:43.083Z

Reserved: 2021-05-26T00:00:00

Link: CVE-2021-33582

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-01T06:15:06.387

Modified: 2024-11-21T06:09:08.403

Link: CVE-2021-33582

cve-icon Redhat

Severity : Important

Publid Date: 2021-09-01T00:00:00Z

Links: CVE-2021-33582 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses