2.7
CWE
1284 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

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