CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.4%
Issue Overview:
A flaw was found in cyrus-imapd. A bad string hashing algorithm used in internal hash tables allows user inputs to be stored in predictable buckets. A user may cause a CPU denial of service by maliciously directing many inputs to a single bucket. The highest threat from this vulnerability is to system availability. (CVE-2021-33582)
Affected Packages:
cyrus-imapd
Issue Correction:
Run yum update cyrus-imapd to update your system.
New Packages:
i686:
cyrus-imapd-2.4.22-1.10.amzn1.i686
cyrus-imapd-utils-2.4.22-1.10.amzn1.i686
cyrus-imapd-debuginfo-2.4.22-1.10.amzn1.i686
cyrus-imapd-devel-2.4.22-1.10.amzn1.i686
src:
cyrus-imapd-2.4.22-1.10.amzn1.src
x86_64:
cyrus-imapd-2.4.22-1.10.amzn1.x86_64
cyrus-imapd-debuginfo-2.4.22-1.10.amzn1.x86_64
cyrus-imapd-utils-2.4.22-1.10.amzn1.x86_64
cyrus-imapd-devel-2.4.22-1.10.amzn1.x86_64
Red Hat: CVE-2021-33582
Mitre: CVE-2021-33582
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | cyrus-imapd | < 2.4.22-1.10.amzn1 | cyrus-imapd-2.4.22-1.10.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | cyrus-imapd-utils | < 2.4.22-1.10.amzn1 | cyrus-imapd-utils-2.4.22-1.10.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | cyrus-imapd-debuginfo | < 2.4.22-1.10.amzn1 | cyrus-imapd-debuginfo-2.4.22-1.10.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | cyrus-imapd-devel | < 2.4.22-1.10.amzn1 | cyrus-imapd-devel-2.4.22-1.10.amzn1.i686.rpm |
Amazon Linux | 1 | x86_64 | cyrus-imapd | < 2.4.22-1.10.amzn1 | cyrus-imapd-2.4.22-1.10.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | cyrus-imapd-debuginfo | < 2.4.22-1.10.amzn1 | cyrus-imapd-debuginfo-2.4.22-1.10.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | cyrus-imapd-utils | < 2.4.22-1.10.amzn1 | cyrus-imapd-utils-2.4.22-1.10.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | cyrus-imapd-devel | < 2.4.22-1.10.amzn1 | cyrus-imapd-devel-2.4.22-1.10.amzn1.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.4%