Amazon Linux AMI : cyrus-imapd (ALAS-2022-1559)

The version of cyrus-imapd installed on the remote host is prior to 2.4.22-1.10. It is, therefore, affected by a vulnerability as referenced in the ALAS-2022-1559 advisory. A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored...

Amazon Linux 2 : cyrus-imapd (ALAS-2021-1725)

The version of cyrus-imapd installed on the remote host is prior to 2.4.22-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1725 advisory. A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored i...

Oracle Linux 8 : cyrus-imapd (ELSA-2021-3492)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-3492 advisory. 3.0.7-20.1 - Fix for CVE-2021-33582 Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that Nessus has...

FreeBSD : cyrus-imapd -- multiple-minute daemon hang via input that is mishandled during hash-table interaction (3d915d96-0b1f-11ec-8d9f-080027415d17)

Cyrus IMAP 3.4.2 Release Notes states : Fixed CVE-2021-33582: Certain user inputs are used as hash table keys during processing. A poorly chosen string hashing algorithm meant that the user could control which bucket their data was stored in, allowing a malicious user to direct many inputs to a...

Denial Of Service (DoS)

Cyrus IMAP is vulnerble to denial of service. It 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...

CVE-2021-33582

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...