2.7
CWE
20
Advisory Published
Updated

CVE-2023-23549: DoS via long hostnames

First published: Wed Nov 15 2023(Updated: )

Improper Input Validation in Checkmk <2.2.0p15, <2.1.0p37, <=2.0.0p39 allows priviledged attackers to cause partial denial of service of the UI via too long hostnames.

Credit: security@checkmk.com

Affected SoftwareAffected VersionHow to fix
Checkmk Checkmk=2.0.0
Checkmk Checkmk=2.0.0-b1
Checkmk Checkmk=2.0.0-b2
Checkmk Checkmk=2.0.0-b3
Checkmk Checkmk=2.0.0-b4
Checkmk Checkmk=2.0.0-b5
Checkmk Checkmk=2.0.0-b6
Checkmk Checkmk=2.0.0-b7
Checkmk Checkmk=2.0.0-b8
Checkmk Checkmk=2.0.0-i1
Checkmk Checkmk=2.0.0-p1
Checkmk Checkmk=2.0.0-p10
Checkmk Checkmk=2.0.0-p11
Checkmk Checkmk=2.0.0-p12
Checkmk Checkmk=2.0.0-p13
Checkmk Checkmk=2.0.0-p14
Checkmk Checkmk=2.0.0-p15
Checkmk Checkmk=2.0.0-p16
Checkmk Checkmk=2.0.0-p17
Checkmk Checkmk=2.0.0-p18
Checkmk Checkmk=2.0.0-p19
Checkmk Checkmk=2.0.0-p2
Checkmk Checkmk=2.0.0-p20
Checkmk Checkmk=2.0.0-p21
Checkmk Checkmk=2.0.0-p22
Checkmk Checkmk=2.0.0-p23
Checkmk Checkmk=2.0.0-p24
Checkmk Checkmk=2.0.0-p25
Checkmk Checkmk=2.0.0-p26
Checkmk Checkmk=2.0.0-p27
Checkmk Checkmk=2.0.0-p28
Checkmk Checkmk=2.0.0-p29
Checkmk Checkmk=2.0.0-p3
Checkmk Checkmk=2.0.0-p30
Checkmk Checkmk=2.0.0-p31
Checkmk Checkmk=2.0.0-p32
Checkmk Checkmk=2.0.0-p33
Checkmk Checkmk=2.0.0-p34
Checkmk Checkmk=2.0.0-p35
Checkmk Checkmk=2.0.0-p36
Checkmk Checkmk=2.0.0-p37
Checkmk Checkmk=2.0.0-p38
Checkmk Checkmk=2.0.0-p39
Checkmk Checkmk=2.0.0-p4
Checkmk Checkmk=2.0.0-p5
Checkmk Checkmk=2.0.0-p6
Checkmk Checkmk=2.0.0-p7
Checkmk Checkmk=2.0.0-p8
Checkmk Checkmk=2.0.0-p9
Checkmk Checkmk=2.1.0
Checkmk Checkmk=2.1.0-b1
Checkmk Checkmk=2.1.0-b2
Checkmk Checkmk=2.1.0-b3
Checkmk Checkmk=2.1.0-b4
Checkmk Checkmk=2.1.0-b5
Checkmk Checkmk=2.1.0-b6
Checkmk Checkmk=2.1.0-b7
Checkmk Checkmk=2.1.0-b8
Checkmk Checkmk=2.1.0-b9
Checkmk Checkmk=2.1.0-p1
Checkmk Checkmk=2.1.0-p10
Checkmk Checkmk=2.1.0-p11
Checkmk Checkmk=2.1.0-p12
Checkmk Checkmk=2.1.0-p13
Checkmk Checkmk=2.1.0-p14
Checkmk Checkmk=2.1.0-p15
Checkmk Checkmk=2.1.0-p16
Checkmk Checkmk=2.1.0-p17
Checkmk Checkmk=2.1.0-p18
Checkmk Checkmk=2.1.0-p19
Checkmk Checkmk=2.1.0-p2
Checkmk Checkmk=2.1.0-p20
Checkmk Checkmk=2.1.0-p21
Checkmk Checkmk=2.1.0-p22
Checkmk Checkmk=2.1.0-p23
Checkmk Checkmk=2.1.0-p24
Checkmk Checkmk=2.1.0-p25
Checkmk Checkmk=2.1.0-p26
Checkmk Checkmk=2.1.0-p27
Checkmk Checkmk=2.1.0-p28
Checkmk Checkmk=2.1.0-p29
Checkmk Checkmk=2.1.0-p3
Checkmk Checkmk=2.1.0-p30
Checkmk Checkmk=2.1.0-p31
Checkmk Checkmk=2.1.0-p32
Checkmk Checkmk=2.1.0-p33
Checkmk Checkmk=2.1.0-p34
Checkmk Checkmk=2.1.0-p35
Checkmk Checkmk=2.1.0-p36
Checkmk Checkmk=2.1.0-p4
Checkmk Checkmk=2.1.0-p5
Checkmk Checkmk=2.1.0-p6
Checkmk Checkmk=2.1.0-p7
Checkmk Checkmk=2.1.0-p8
Checkmk Checkmk=2.1.0-p9
Checkmk Checkmk=2.2.0
Checkmk Checkmk=2.2.0-b1
Checkmk Checkmk=2.2.0-b2
Checkmk Checkmk=2.2.0-b3
Checkmk Checkmk=2.2.0-b4
Checkmk Checkmk=2.2.0-b5
Checkmk Checkmk=2.2.0-b6
Checkmk Checkmk=2.2.0-b7
Checkmk Checkmk=2.2.0-b8
Checkmk Checkmk=2.2.0-i1
Checkmk Checkmk=2.2.0-p1
Checkmk Checkmk=2.2.0-p10
Checkmk Checkmk=2.2.0-p11
Checkmk Checkmk=2.2.0-p12
Checkmk Checkmk=2.2.0-p13
Checkmk Checkmk=2.2.0-p2
Checkmk Checkmk=2.2.0-p3
Checkmk Checkmk=2.2.0-p4
Checkmk Checkmk=2.2.0-p5
Checkmk Checkmk=2.2.0-p6
Checkmk Checkmk=2.2.0-p7
Checkmk Checkmk=2.2.0-p8
Checkmk Checkmk=2.2.0-p9

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203