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CVE-2021-33582

Published: Sep 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-407
NVD MITRE
7.5CVSSHIGH
EPSS Score
2.9%
Top 15.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-407

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Cyrus IMAPProject Cyrus
On-prem
Communications / email-server-client
n/an/a
imapcyrus
On-prem
Communications / email-server-client
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
project cyrusoss-projectCommunicationsaka cyrus imap, cyrus sasl
cyrusoss-projectCommunicationsaka cyrus imap, imapd, sasl, cyrus imapd
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://cyrus.topicbox.com/groups/announce/T3dde0a2352462975-M1386fc44adf967e072f8df13
cyrus.topicbox.com
https://github.com/cyrusimap/cyrus-imapd/commit/0fb658f1727f4446f7f33adcc428ba4c9eeabe3e
github.com
https://github.com/cyrusimap/cyrus-imapd/commit/833c22bd7de5bbb591c2cb3705c9983b6d2b1fee
github.com
and 11 more references View all →

Timeline

Published
Sep 1, 2021
Last Updated
Nov 21, 2024

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